20179715

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{607}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 24879360

約数和(自身を除く): 4699645

約数列:

[1, 5, 61, 109, 305, 545, 607, 3035, 6649, 33245, 37027, 66163, 185135, 330815, 4035943, 20179715]

約数ペア:

[(1, 20179715), (5, 4035943), (61, 330815), (109, 185135), (305, 66163), (545, 37027), (607, 33245), (3035, 6649)]