20381160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{169843}}^1$

素因数の和:169857

約数の個数: 32

約数和(自身を含む): 61143840

約数和(自身を除く): 40762680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 169843, 339686, 509529, 679372, 849215, 1019058, 1358744, 1698430, 2038116, 2547645, 3396860, 4076232, 5095290, 6793720, 10190580, 20381160]

約数ペア:

[(1, 20381160), (2, 10190580), (3, 6793720), (4, 5095290), (5, 4076232), (6, 3396860), (8, 2547645), (10, 2038116), (12, 1698430), (15, 1358744), (20, 1019058), (24, 849215), (30, 679372), (40, 509529), (60, 339686), (120, 169843)]