20376480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42451}}^1$

素因数の和:42469

約数の個数: 48

約数和(自身を含む): 64187424

約数和(自身を除く): 43810944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42451, 84902, 127353, 169804, 212255, 254706, 339608, 424510, 509412, 636765, 679216, 849020, 1018824, 1273530, 1358432, 1698040, 2037648, 2547060, 3396080, 4075296, 5094120, 6792160, 10188240, 20376480]

約数ペア:

[(1, 20376480), (2, 10188240), (3, 6792160), (4, 5094120), (5, 4075296), (6, 3396080), (8, 2547060), (10, 2037648), (12, 1698040), (15, 1358432), (16, 1273530), (20, 1018824), (24, 849020), (30, 679216), (32, 636765), (40, 509412), (48, 424510), (60, 339608), (80, 254706), (96, 212255), (120, 169804), (160, 127353), (240, 84902), (480, 42451)]