20783125875

素因数分解:

$3^1\times 5^3\times {\mathrm{3407}}^1\times {\mathrm{16267}}^1$

素因数の和:19692

約数の個数: 32

約数和(自身を含む): 34595398656

約数和(自身を除く): 13812272781

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 3407, 10221, 16267, 17035, 48801, 51105, 81335, 85175, 244005, 255525, 406675, 425875, 1220025, 1277625, 2033375, 6100125, 55421669, 166265007, 277108345, 831325035, 1385541725, 4156625175, 6927708625, 20783125875]

約数ペア:

[(1, 20783125875), (3, 6927708625), (5, 4156625175), (15, 1385541725), (25, 831325035), (75, 277108345), (125, 166265007), (375, 55421669), (3407, 6100125), (10221, 2033375), (16267, 1277625), (17035, 1220025), (48801, 425875), (51105, 406675), (81335, 255525), (85175, 244005)]