20382518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1223}}^1$

素因数の和:1879

約数の個数: 16

約数和(自身を含む): 33003936

約数和(自身を除く): 12621418

約数列:

[1, 2, 13, 26, 641, 1223, 1282, 2446, 8333, 15899, 16666, 31798, 783943, 1567886, 10191259, 20382518]

約数ペア:

[(1, 20382518), (2, 10191259), (13, 1567886), (26, 783943), (641, 31798), (1223, 16666), (1282, 15899), (2446, 8333)]