20381664

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^1\times {\mathrm{7321}}^1$

素因数の和:7363

約数の個数: 48

約数和(自身を含む): 55354320

約数和(自身を除く): 34972656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 87, 96, 116, 174, 232, 348, 464, 696, 928, 1392, 2784, 7321, 14642, 21963, 29284, 43926, 58568, 87852, 117136, 175704, 212309, 234272, 351408, 424618, 636927, 702816, 849236, 1273854, 1698472, 2547708, 3396944, 5095416, 6793888, 10190832, 20381664]

約数ペア:

[(1, 20381664), (2, 10190832), (3, 6793888), (4, 5095416), (6, 3396944), (8, 2547708), (12, 1698472), (16, 1273854), (24, 849236), (29, 702816), (32, 636927), (48, 424618), (58, 351408), (87, 234272), (96, 212309), (116, 175704), (174, 117136), (232, 87852), (348, 58568), (464, 43926), (696, 29284), (928, 21963), (1392, 14642), (2784, 7321)]