20138789940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{80279}}^1$

素因数の和:80441

約数の個数: 96

約数和(自身を含む): 58425857280

約数和(自身を除く): 38287067340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 113, 148, 185, 222, 226, 339, 370, 444, 452, 555, 565, 678, 740, 1110, 1130, 1356, 1695, 2220, 2260, 3390, 4181, 6780, 8362, 12543, 16724, 20905, 25086, 41810, 50172, 62715, 80279, 83620, 125430, 160558, 240837, 250860, 321116, 401395, 481674, 802790, 963348, 1204185, 1605580, 2408370, 2970323, 4816740, 5940646, 8910969, 9071527, 11881292, 14851615, 17821938, 18143054, 27214581, 29703230, 35643876, 36286108, 44554845, 45357635, 54429162, 59406460, 89109690, 90715270, 108858324, 136072905, 178219380, 181430540, 272145810, 335646499, 544291620, 671292998, 1006939497, 1342585996, 1678232495, 2013878994, 3356464990, 4027757988, 5034697485, 6712929980, 10069394970, 20138789940]

約数ペア:

[(1, 20138789940), (2, 10069394970), (3, 6712929980), (4, 5034697485), (5, 4027757988), (6, 3356464990), (10, 2013878994), (12, 1678232495), (15, 1342585996), (20, 1006939497), (30, 671292998), (37, 544291620), (60, 335646499), (74, 272145810), (111, 181430540), (113, 178219380), (148, 136072905), (185, 108858324), (222, 90715270), (226, 89109690), (339, 59406460), (370, 54429162), (444, 45357635), (452, 44554845), (555, 36286108), (565, 35643876), (678, 29703230), (740, 27214581), (1110, 18143054), (1130, 17821938), (1356, 14851615), (1695, 11881292), (2220, 9071527), (2260, 8910969), (3390, 5940646), (4181, 4816740), (6780, 2970323), (8362, 2408370), (12543, 1605580), (16724, 1204185), (20905, 963348), (25086, 802790), (41810, 481674), (50172, 401395), (62715, 321116), (80279, 250860), (83620, 240837), (125430, 160558)]