20658432

素因数分解:

$2^8\times 3^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:783

約数の個数: 72

約数和(自身を含む): 56545216

約数和(自身を除く): 35886784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 256, 296, 384, 444, 592, 727, 768, 888, 1184, 1454, 1776, 2181, 2368, 2908, 3552, 4362, 4736, 5816, 7104, 8724, 9472, 11632, 14208, 17448, 23264, 26899, 28416, 34896, 46528, 53798, 69792, 80697, 93056, 107596, 139584, 161394, 186112, 215192, 279168, 322788, 430384, 558336, 645576, 860768, 1291152, 1721536, 2582304, 3443072, 5164608, 6886144, 10329216, 20658432]

約数ペア:

[(1, 20658432), (2, 10329216), (3, 6886144), (4, 5164608), (6, 3443072), (8, 2582304), (12, 1721536), (16, 1291152), (24, 860768), (32, 645576), (37, 558336), (48, 430384), (64, 322788), (74, 279168), (96, 215192), (111, 186112), (128, 161394), (148, 139584), (192, 107596), (222, 93056), (256, 80697), (296, 69792), (384, 53798), (444, 46528), (592, 34896), (727, 28416), (768, 26899), (888, 23264), (1184, 17448), (1454, 14208), (1776, 11632), (2181, 9472), (2368, 8724), (2908, 7104), (3552, 5816), (4362, 4736)]