20698450

素因数分解:

$2^1\times 5^2\times {\mathrm{503}}^1\times {\mathrm{823}}^1$

素因数の和:1338

約数の個数: 24

約数和(自身を含む): 38622528

約数和(自身を除く): 17924078

約数列:

[1, 2, 5, 10, 25, 50, 503, 823, 1006, 1646, 2515, 4115, 5030, 8230, 12575, 20575, 25150, 41150, 413969, 827938, 2069845, 4139690, 10349225, 20698450]

約数ペア:

[(1, 20698450), (2, 10349225), (5, 4139690), (10, 2069845), (25, 827938), (50, 413969), (503, 41150), (823, 25150), (1006, 20575), (1646, 12575), (2515, 8230), (4115, 5030)]