20456115

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4357}}^1$

素因数の和:4678

約数の個数: 16

約数和(自身を含む): 32841888

約数和(自身を除く): 12385773

約数列:

[1, 3, 5, 15, 313, 939, 1565, 4357, 4695, 13071, 21785, 65355, 1363741, 4091223, 6818705, 20456115]

約数ペア:

[(1, 20456115), (3, 6818705), (5, 4091223), (15, 1363741), (313, 65355), (939, 21785), (1565, 13071), (4357, 4695)]