20785579778

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{22721}}^1\times {\mathrm{6827}}^1$

素因数の和:29617

約数の個数: 16

約数和(自身を含む): 31649746464

約数和(自身を除く): 10864166686

約数列:

[1, 2, 67, 134, 6827, 13654, 22721, 45442, 457409, 914818, 1522307, 3044614, 155116267, 310232534, 10392789889, 20785579778]

約数ペア:

[(1, 20785579778), (2, 10392789889), (67, 310232534), (134, 155116267), (6827, 3044614), (13654, 1522307), (22721, 914818), (45442, 457409)]