20431168240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36484229}}^1$

素因数の和:36484249

約数の個数: 40

約数和(自身を含む): 54288534240

約数和(自身を除く): 33857366000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36484229, 72968458, 145936916, 182421145, 255389603, 291873832, 364842290, 510779206, 583747664, 729684580, 1021558412, 1276948015, 1459369160, 2043116824, 2553896030, 2918738320, 4086233648, 5107792060, 10215584120, 20431168240]

約数ペア:

[(1, 20431168240), (2, 10215584120), (4, 5107792060), (5, 4086233648), (7, 2918738320), (8, 2553896030), (10, 2043116824), (14, 1459369160), (16, 1276948015), (20, 1021558412), (28, 729684580), (35, 583747664), (40, 510779206), (56, 364842290), (70, 291873832), (80, 255389603), (112, 182421145), (140, 145936916), (280, 72968458), (560, 36484229)]