20867514

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 21710406

約数列:

[1, 2, 3, 6, 131, 139, 191, 262, 278, 382, 393, 417, 573, 786, 834, 1146, 18209, 25021, 26549, 36418, 50042, 53098, 54627, 75063, 79647, 109254, 150126, 159294, 3477919, 6955838, 10433757, 20867514]

約数ペア:

[(1, 20867514), (2, 10433757), (3, 6955838), (6, 3477919), (131, 159294), (139, 150126), (191, 109254), (262, 79647), (278, 75063), (382, 54627), (393, 53098), (417, 50042), (573, 36418), (786, 26549), (834, 25021), (1146, 18209)]