20186369720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{10973}}^1$

素因数の和:11145

約数の個数: 128

約数和(自身を含む): 51342517440

約数和(自身を除く): 31156147720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 113, 148, 185, 220, 226, 296, 370, 407, 440, 452, 565, 740, 814, 904, 1130, 1243, 1480, 1628, 2035, 2260, 2486, 3256, 4070, 4181, 4520, 4972, 6215, 8140, 8362, 9944, 10973, 12430, 16280, 16724, 20905, 21946, 24860, 33448, 41810, 43892, 45991, 49720, 54865, 83620, 87784, 91982, 109730, 120703, 167240, 183964, 219460, 229955, 241406, 367928, 406001, 438920, 459910, 482812, 603515, 812002, 919820, 965624, 1207030, 1239949, 1624004, 1839640, 2030005, 2414060, 2479898, 3248008, 4060010, 4466011, 4828120, 4959796, 6199745, 8120020, 8932022, 9919592, 12399490, 13639439, 16240040, 17864044, 22330055, 24798980, 27278878, 35728088, 44660110, 45878113, 49597960, 54557756, 68197195, 89320220, 91756226, 109115512, 136394390, 178640440, 183512452, 229390565, 272788780, 367024904, 458781130, 504659243, 545577560, 917562260, 1009318486, 1835124520, 2018636972, 2523296215, 4037273944, 5046592430, 10093184860, 20186369720]

約数ペア:

[(1, 20186369720), (2, 10093184860), (4, 5046592430), (5, 4037273944), (8, 2523296215), (10, 2018636972), (11, 1835124520), (20, 1009318486), (22, 917562260), (37, 545577560), (40, 504659243), (44, 458781130), (55, 367024904), (74, 272788780), (88, 229390565), (110, 183512452), (113, 178640440), (148, 136394390), (185, 109115512), (220, 91756226), (226, 89320220), (296, 68197195), (370, 54557756), (407, 49597960), (440, 45878113), (452, 44660110), (565, 35728088), (740, 27278878), (814, 24798980), (904, 22330055), (1130, 17864044), (1243, 16240040), (1480, 13639439), (1628, 12399490), (2035, 9919592), (2260, 8932022), (2486, 8120020), (3256, 6199745), (4070, 4959796), (4181, 4828120), (4520, 4466011), (4972, 4060010), (6215, 3248008), (8140, 2479898), (8362, 2414060), (9944, 2030005), (10973, 1839640), (12430, 1624004), (16280, 1239949), (16724, 1207030), (20905, 965624), (21946, 919820), (24860, 812002), (33448, 603515), (41810, 482812), (43892, 459910), (45991, 438920), (49720, 406001), (54865, 367928), (83620, 241406), (87784, 229955), (91982, 219460), (109730, 183964), (120703, 167240)]