20177887980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{12329}}^1\times {\mathrm{27277}}^1$

素因数の和:39618

約数の個数: 48

約数和(自身を含む): 56504740320

約数和(自身を除く): 36326852340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 12329, 24658, 27277, 36987, 49316, 54554, 61645, 73974, 81831, 109108, 123290, 136385, 147948, 163662, 184935, 246580, 272770, 327324, 369870, 409155, 545540, 739740, 818310, 1636620, 336298133, 672596266, 1008894399, 1345192532, 1681490665, 2017788798, 3362981330, 4035577596, 5044471995, 6725962660, 10088943990, 20177887980]

約数ペア:

[(1, 20177887980), (2, 10088943990), (3, 6725962660), (4, 5044471995), (5, 4035577596), (6, 3362981330), (10, 2017788798), (12, 1681490665), (15, 1345192532), (20, 1008894399), (30, 672596266), (60, 336298133), (12329, 1636620), (24658, 818310), (27277, 739740), (36987, 545540), (49316, 409155), (54554, 369870), (61645, 327324), (73974, 272770), (81831, 246580), (109108, 184935), (123290, 163662), (136385, 147948)]