20452305

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{857}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 34429824

約数和(自身を除く): 13977519

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 857, 1591, 2571, 4285, 4773, 7955, 12855, 23865, 31709, 36851, 95127, 110553, 158545, 184255, 475635, 552765, 1363487, 4090461, 6817435, 20452305]

約数ペア:

[(1, 20452305), (3, 6817435), (5, 4090461), (15, 1363487), (37, 552765), (43, 475635), (111, 184255), (129, 158545), (185, 110553), (215, 95127), (555, 36851), (645, 31709), (857, 23865), (1591, 12855), (2571, 7955), (4285, 4773)]