20196088120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{15013}}^1$

素因数の和:15249

約数の個数: 96

約数和(自身を含む): 49456116000

約数和(自身を除く): 29260027880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 199, 260, 338, 398, 520, 676, 796, 845, 995, 1352, 1592, 1690, 1990, 2587, 3380, 3980, 5174, 6760, 7960, 10348, 12935, 15013, 20696, 25870, 30026, 33631, 51740, 60052, 67262, 75065, 103480, 120104, 134524, 150130, 168155, 195169, 269048, 300260, 336310, 390338, 600520, 672620, 780676, 975845, 1345240, 1561352, 1951690, 2537197, 2987587, 3903380, 5074394, 5975174, 7806760, 10148788, 11950348, 12685985, 14937935, 20297576, 23900696, 25371970, 29875870, 38838631, 50743940, 59751740, 77677262, 101487880, 119503480, 155354524, 194193155, 310709048, 388386310, 504902203, 776772620, 1009804406, 1553545240, 2019608812, 2524511015, 4039217624, 5049022030, 10098044060, 20196088120]

約数ペア:

[(1, 20196088120), (2, 10098044060), (4, 5049022030), (5, 4039217624), (8, 2524511015), (10, 2019608812), (13, 1553545240), (20, 1009804406), (26, 776772620), (40, 504902203), (52, 388386310), (65, 310709048), (104, 194193155), (130, 155354524), (169, 119503480), (199, 101487880), (260, 77677262), (338, 59751740), (398, 50743940), (520, 38838631), (676, 29875870), (796, 25371970), (845, 23900696), (995, 20297576), (1352, 14937935), (1592, 12685985), (1690, 11950348), (1990, 10148788), (2587, 7806760), (3380, 5975174), (3980, 5074394), (5174, 3903380), (6760, 2987587), (7960, 2537197), (10348, 1951690), (12935, 1561352), (15013, 1345240), (20696, 975845), (25870, 780676), (30026, 672620), (33631, 600520), (51740, 390338), (60052, 336310), (67262, 300260), (75065, 269048), (103480, 195169), (120104, 168155), (134524, 150130)]