20382472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3457}}^1$

素因数の和:3541

約数の個数: 32

約数和(自身を含む): 42325920

約数和(自身を除く): 21943448

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2948, 3457, 5896, 6914, 13828, 27656, 38027, 76054, 152108, 231619, 304216, 463238, 926476, 1852952, 2547809, 5095618, 10191236, 20382472]

約数ペア:

[(1, 20382472), (2, 10191236), (4, 5095618), (8, 2547809), (11, 1852952), (22, 926476), (44, 463238), (67, 304216), (88, 231619), (134, 152108), (268, 76054), (536, 38027), (737, 27656), (1474, 13828), (2948, 6914), (3457, 5896)]