20147232008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1697}}^1\times {\mathrm{2111}}^1$

素因数の和:3870

約数の個数: 64

約数和(自身を含む): 40882406400

約数和(自身を除く): 20735174392

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 1697, 2111, 2812, 3394, 4222, 5624, 6788, 8444, 13576, 16888, 32243, 40109, 62789, 64486, 78107, 80218, 125578, 128972, 156214, 160436, 251156, 257944, 312428, 320872, 502312, 624856, 1192991, 1484033, 2385982, 2968066, 3582367, 4771964, 5936132, 7164734, 9543928, 11872264, 14329468, 28658936, 68064973, 132547579, 136129946, 265095158, 272259892, 530190316, 544519784, 1060380632, 2518404001, 5036808002, 10073616004, 20147232008]

約数ペア:

[(1, 20147232008), (2, 10073616004), (4, 5036808002), (8, 2518404001), (19, 1060380632), (37, 544519784), (38, 530190316), (74, 272259892), (76, 265095158), (148, 136129946), (152, 132547579), (296, 68064973), (703, 28658936), (1406, 14329468), (1697, 11872264), (2111, 9543928), (2812, 7164734), (3394, 5936132), (4222, 4771964), (5624, 3582367), (6788, 2968066), (8444, 2385982), (13576, 1484033), (16888, 1192991), (32243, 624856), (40109, 502312), (62789, 320872), (64486, 312428), (78107, 257944), (80218, 251156), (125578, 160436), (128972, 156214)]