20416543680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{39901}}^1$

素因数の和:39975

約数の個数: 224

約数和(自身を含む): 71513322048

約数和(自身を除く): 51096778368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 41, 48, 52, 60, 64, 65, 78, 80, 82, 96, 104, 120, 123, 130, 156, 160, 164, 192, 195, 205, 208, 240, 246, 260, 312, 320, 328, 390, 410, 416, 480, 492, 520, 533, 615, 624, 656, 780, 820, 832, 960, 984, 1040, 1066, 1230, 1248, 1312, 1560, 1599, 1640, 1968, 2080, 2132, 2460, 2496, 2624, 2665, 3120, 3198, 3280, 3936, 4160, 4264, 4920, 5330, 6240, 6396, 6560, 7872, 7995, 8528, 9840, 10660, 12480, 12792, 13120, 15990, 17056, 19680, 21320, 25584, 31980, 34112, 39360, 39901, 42640, 51168, 63960, 79802, 85280, 102336, 119703, 127920, 159604, 170560, 199505, 239406, 255840, 319208, 399010, 478812, 511680, 518713, 598515, 638416, 798020, 957624, 1037426, 1197030, 1276832, 1556139, 1596040, 1635941, 1915248, 2074852, 2394060, 2553664, 2593565, 3112278, 3192080, 3271882, 3830496, 4149704, 4788120, 4907823, 5187130, 6224556, 6384160, 6543764, 7660992, 7780695, 8179705, 8299408, 9576240, 9815646, 10374260, 12449112, 12768320, 13087528, 15561390, 16359410, 16598816, 19152480, 19631292, 20748520, 21267233, 24539115, 24898224, 26175056, 31122780, 32718820, 33197632, 38304960, 39262584, 41497040, 42534466, 49078230, 49796448, 52350112, 62245560, 63801699, 65437640, 78525168, 82994080, 85068932, 98156460, 99592896, 104700224, 106336165, 124491120, 127603398, 130875280, 157050336, 165988160, 170137864, 196312920, 212672330, 248982240, 255206796, 261750560, 314100672, 319008495, 340275728, 392625840, 425344660, 497964480, 510413592, 523501120, 638016990, 680551456, 785251680, 850689320, 1020827184, 1276033980, 1361102912, 1570503360, 1701378640, 2041654368, 2552067960, 3402757280, 4083308736, 5104135920, 6805514560, 10208271840, 20416543680]

約数ペア:

[(1, 20416543680), (2, 10208271840), (3, 6805514560), (4, 5104135920), (5, 4083308736), (6, 3402757280), (8, 2552067960), (10, 2041654368), (12, 1701378640), (13, 1570503360), (15, 1361102912), (16, 1276033980), (20, 1020827184), (24, 850689320), (26, 785251680), (30, 680551456), (32, 638016990), (39, 523501120), (40, 510413592), (41, 497964480), (48, 425344660), (52, 392625840), (60, 340275728), (64, 319008495), (65, 314100672), (78, 261750560), (80, 255206796), (82, 248982240), (96, 212672330), (104, 196312920), (120, 170137864), (123, 165988160), (130, 157050336), (156, 130875280), (160, 127603398), (164, 124491120), (192, 106336165), (195, 104700224), (205, 99592896), (208, 98156460), (240, 85068932), (246, 82994080), (260, 78525168), (312, 65437640), (320, 63801699), (328, 62245560), (390, 52350112), (410, 49796448), (416, 49078230), (480, 42534466), (492, 41497040), (520, 39262584), (533, 38304960), (615, 33197632), (624, 32718820), (656, 31122780), (780, 26175056), (820, 24898224), (832, 24539115), (960, 21267233), (984, 20748520), (1040, 19631292), (1066, 19152480), (1230, 16598816), (1248, 16359410), (1312, 15561390), (1560, 13087528), (1599, 12768320), (1640, 12449112), (1968, 10374260), (2080, 9815646), (2132, 9576240), (2460, 8299408), (2496, 8179705), (2624, 7780695), (2665, 7660992), (3120, 6543764), (3198, 6384160), (3280, 6224556), (3936, 5187130), (4160, 4907823), (4264, 4788120), (4920, 4149704), (5330, 3830496), (6240, 3271882), (6396, 3192080), (6560, 3112278), (7872, 2593565), (7995, 2553664), (8528, 2394060), (9840, 2074852), (10660, 1915248), (12480, 1635941), (12792, 1596040), (13120, 1556139), (15990, 1276832), (17056, 1197030), (19680, 1037426), (21320, 957624), (25584, 798020), (31980, 638416), (34112, 598515), (39360, 518713), (39901, 511680), (42640, 478812), (51168, 399010), (63960, 319208), (79802, 255840), (85280, 239406), (102336, 199505), (119703, 170560), (127920, 159604)]