20951912

素因数分解:

$2^3\times {\mathrm{619}}^1\times {\mathrm{4231}}^1$

素因数の和:4856

約数の個数: 16

約数和(自身を含む): 39357600

約数和(自身を除く): 18405688

約数列:

[1, 2, 4, 8, 619, 1238, 2476, 4231, 4952, 8462, 16924, 33848, 2618989, 5237978, 10475956, 20951912]

約数ペア:

[(1, 20951912), (2, 10475956), (4, 5237978), (8, 2618989), (619, 33848), (1238, 16924), (2476, 8462), (4231, 4952)]