20045120

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1693}}^1$

素因数の和:1747

約数の個数: 56

約数和(自身を含む): 49051464

約数和(自身を除く): 29006344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 320, 370, 592, 740, 1184, 1480, 1693, 2368, 2960, 3386, 5920, 6772, 8465, 11840, 13544, 16930, 27088, 33860, 54176, 62641, 67720, 108352, 125282, 135440, 250564, 270880, 313205, 501128, 541760, 626410, 1002256, 1252820, 2004512, 2505640, 4009024, 5011280, 10022560, 20045120]

約数ペア:

[(1, 20045120), (2, 10022560), (4, 5011280), (5, 4009024), (8, 2505640), (10, 2004512), (16, 1252820), (20, 1002256), (32, 626410), (37, 541760), (40, 501128), (64, 313205), (74, 270880), (80, 250564), (148, 135440), (160, 125282), (185, 108352), (296, 67720), (320, 62641), (370, 54176), (592, 33860), (740, 27088), (1184, 16930), (1480, 13544), (1693, 11840), (2368, 8465), (2960, 6772), (3386, 5920)]