20187561119

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1\times {\mathrm{2909}}^1$

素因数の和:3431

約数の個数: 32

約数和(自身を含む): 23278510080

約数和(自身を除く): 3090948961

約数列:

[1, 11, 31, 47, 341, 433, 517, 1457, 2909, 4763, 13423, 16027, 20351, 31999, 90179, 136723, 147653, 223861, 630881, 991969, 1259597, 1503953, 4238413, 6939691, 13855567, 39047507, 46622543, 59201059, 429522577, 651211649, 1835232829, 20187561119]

約数ペア:

[(1, 20187561119), (11, 1835232829), (31, 651211649), (47, 429522577), (341, 59201059), (433, 46622543), (517, 39047507), (1457, 13855567), (2909, 6939691), (4763, 4238413), (13423, 1503953), (16027, 1259597), (20351, 991969), (31999, 630881), (90179, 223861), (136723, 147653)]