20212432890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{60901}}^1$

素因数の和:60984

約数の個数: 128

約数和(自身を含む): 55986964992

約数和(自身を除く): 35774532102

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 37, 39, 46, 65, 69, 74, 78, 111, 115, 130, 138, 185, 195, 222, 230, 299, 345, 370, 390, 481, 555, 598, 690, 851, 897, 962, 1110, 1443, 1495, 1702, 1794, 2405, 2553, 2886, 2990, 4255, 4485, 4810, 5106, 7215, 8510, 8970, 11063, 12765, 14430, 22126, 25530, 33189, 55315, 60901, 66378, 110630, 121802, 165945, 182703, 304505, 331890, 365406, 609010, 791713, 913515, 1400723, 1583426, 1827030, 2253337, 2375139, 2801446, 3958565, 4202169, 4506674, 4750278, 6760011, 7003615, 7917130, 8404338, 11266685, 11875695, 13520022, 14007230, 18209399, 21010845, 22533370, 23751390, 29293381, 33800055, 36418798, 42021690, 51826751, 54628197, 58586762, 67600110, 87880143, 91046995, 103653502, 109256394, 146466905, 155480253, 175760286, 182093990, 259133755, 273140985, 292933810, 310960506, 439400715, 518267510, 546281970, 673747763, 777401265, 878801430, 1347495526, 1554802530, 2021243289, 3368738815, 4042486578, 6737477630, 10106216445, 20212432890]

約数ペア:

[(1, 20212432890), (2, 10106216445), (3, 6737477630), (5, 4042486578), (6, 3368738815), (10, 2021243289), (13, 1554802530), (15, 1347495526), (23, 878801430), (26, 777401265), (30, 673747763), (37, 546281970), (39, 518267510), (46, 439400715), (65, 310960506), (69, 292933810), (74, 273140985), (78, 259133755), (111, 182093990), (115, 175760286), (130, 155480253), (138, 146466905), (185, 109256394), (195, 103653502), (222, 91046995), (230, 87880143), (299, 67600110), (345, 58586762), (370, 54628197), (390, 51826751), (481, 42021690), (555, 36418798), (598, 33800055), (690, 29293381), (851, 23751390), (897, 22533370), (962, 21010845), (1110, 18209399), (1443, 14007230), (1495, 13520022), (1702, 11875695), (1794, 11266685), (2405, 8404338), (2553, 7917130), (2886, 7003615), (2990, 6760011), (4255, 4750278), (4485, 4506674), (4810, 4202169), (5106, 3958565), (7215, 2801446), (8510, 2375139), (8970, 2253337), (11063, 1827030), (12765, 1583426), (14430, 1400723), (22126, 913515), (25530, 791713), (33189, 609010), (55315, 365406), (60901, 331890), (66378, 304505), (110630, 182703), (121802, 165945)]