22978180

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2729}}^1$

素因数の和:3159

約数の個数: 24

約数和(自身を含む): 48386520

約数和(自身を除く): 25408340

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 2729, 4210, 5458, 8420, 10916, 13645, 27290, 54580, 1148909, 2297818, 4595636, 5744545, 11489090, 22978180]

約数ペア:

[(1, 22978180), (2, 11489090), (4, 5744545), (5, 4595636), (10, 2297818), (20, 1148909), (421, 54580), (842, 27290), (1684, 13645), (2105, 10916), (2729, 8420), (4210, 5458)]