20828550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{727}}^1$

素因数の和:933

約数の個数: 48

約数和(自身を含む): 51996672

約数和(自身を除く): 31168122

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 191, 382, 573, 727, 955, 1146, 1454, 1910, 2181, 2865, 3635, 4362, 4775, 5730, 7270, 9550, 10905, 14325, 18175, 21810, 28650, 36350, 54525, 109050, 138857, 277714, 416571, 694285, 833142, 1388570, 2082855, 3471425, 4165710, 6942850, 10414275, 20828550]

約数ペア:

[(1, 20828550), (2, 10414275), (3, 6942850), (5, 4165710), (6, 3471425), (10, 2082855), (15, 1388570), (25, 833142), (30, 694285), (50, 416571), (75, 277714), (150, 138857), (191, 109050), (382, 54525), (573, 36350), (727, 28650), (955, 21810), (1146, 18175), (1454, 14325), (1910, 10905), (2181, 9550), (2865, 7270), (3635, 5730), (4362, 4775)]