20178943376

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{839}}^1\times {\mathrm{40627}}^1$

素因数の和:41511

約数の個数: 40

約数和(自身を含む): 40202218560

約数和(自身を除く): 20023275184

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 839, 1678, 3356, 6712, 13424, 31043, 40627, 62086, 81254, 124172, 162508, 248344, 325016, 496688, 650032, 1503199, 3006398, 6012796, 12025592, 24051184, 34086053, 68172106, 136344212, 272688424, 545376848, 1261183961, 2522367922, 5044735844, 10089471688, 20178943376]

約数ペア:

[(1, 20178943376), (2, 10089471688), (4, 5044735844), (8, 2522367922), (16, 1261183961), (37, 545376848), (74, 272688424), (148, 136344212), (296, 68172106), (592, 34086053), (839, 24051184), (1678, 12025592), (3356, 6012796), (6712, 3006398), (13424, 1503199), (31043, 650032), (40627, 496688), (62086, 325016), (81254, 248344), (124172, 162508)]