20096920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{367}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 46599840

約数和(自身を除く): 26502920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 367, 370, 734, 740, 1369, 1468, 1480, 1835, 2738, 2936, 3670, 5476, 6845, 7340, 10952, 13579, 13690, 14680, 27158, 27380, 54316, 54760, 67895, 108632, 135790, 271580, 502423, 543160, 1004846, 2009692, 2512115, 4019384, 5024230, 10048460, 20096920]

約数ペア:

[(1, 20096920), (2, 10048460), (4, 5024230), (5, 4019384), (8, 2512115), (10, 2009692), (20, 1004846), (37, 543160), (40, 502423), (74, 271580), (148, 135790), (185, 108632), (296, 67895), (367, 54760), (370, 54316), (734, 27380), (740, 27158), (1369, 14680), (1468, 13690), (1480, 13579), (1835, 10952), (2738, 7340), (2936, 6845), (3670, 5476)]