20016480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:269

約数の個数: 192

約数和(自身を含む): 73156608

約数和(自身を除く): 53140128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 32, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 96, 102, 110, 120, 132, 136, 160, 165, 170, 176, 187, 204, 220, 223, 240, 255, 264, 272, 330, 340, 352, 374, 408, 440, 446, 480, 510, 528, 544, 561, 660, 669, 680, 748, 816, 880, 892, 935, 1020, 1056, 1115, 1122, 1320, 1338, 1360, 1496, 1632, 1760, 1784, 1870, 2040, 2230, 2244, 2453, 2640, 2676, 2720, 2805, 2992, 3345, 3568, 3740, 3791, 4080, 4460, 4488, 4906, 5280, 5352, 5610, 5984, 6690, 7136, 7359, 7480, 7582, 8160, 8920, 8976, 9812, 10704, 11220, 11373, 12265, 13380, 14718, 14960, 15164, 17840, 17952, 18955, 19624, 21408, 22440, 22746, 24530, 26760, 29436, 29920, 30328, 35680, 36795, 37910, 39248, 41701, 44880, 45492, 49060, 53520, 56865, 58872, 60656, 73590, 75820, 78496, 83402, 89760, 90984, 98120, 107040, 113730, 117744, 121312, 125103, 147180, 151640, 166804, 181968, 196240, 208505, 227460, 235488, 250206, 294360, 303280, 333608, 363936, 392480, 417010, 454920, 500412, 588720, 606560, 625515, 667216, 834020, 909840, 1000824, 1177440, 1251030, 1334432, 1668040, 1819680, 2001648, 2502060, 3336080, 4003296, 5004120, 6672160, 10008240, 20016480]

約数ペア:

[(1, 20016480), (2, 10008240), (3, 6672160), (4, 5004120), (5, 4003296), (6, 3336080), (8, 2502060), (10, 2001648), (11, 1819680), (12, 1668040), (15, 1334432), (16, 1251030), (17, 1177440), (20, 1000824), (22, 909840), (24, 834020), (30, 667216), (32, 625515), (33, 606560), (34, 588720), (40, 500412), (44, 454920), (48, 417010), (51, 392480), (55, 363936), (60, 333608), (66, 303280), (68, 294360), (80, 250206), (85, 235488), (88, 227460), (96, 208505), (102, 196240), (110, 181968), (120, 166804), (132, 151640), (136, 147180), (160, 125103), (165, 121312), (170, 117744), (176, 113730), (187, 107040), (204, 98120), (220, 90984), (223, 89760), (240, 83402), (255, 78496), (264, 75820), (272, 73590), (330, 60656), (340, 58872), (352, 56865), (374, 53520), (408, 49060), (440, 45492), (446, 44880), (480, 41701), (510, 39248), (528, 37910), (544, 36795), (561, 35680), (660, 30328), (669, 29920), (680, 29436), (748, 26760), (816, 24530), (880, 22746), (892, 22440), (935, 21408), (1020, 19624), (1056, 18955), (1115, 17952), (1122, 17840), (1320, 15164), (1338, 14960), (1360, 14718), (1496, 13380), (1632, 12265), (1760, 11373), (1784, 11220), (1870, 10704), (2040, 9812), (2230, 8976), (2244, 8920), (2453, 8160), (2640, 7582), (2676, 7480), (2720, 7359), (2805, 7136), (2992, 6690), (3345, 5984), (3568, 5610), (3740, 5352), (3791, 5280), (4080, 4906), (4460, 4488)]