20951566

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11731}}^1$

素因数の和:11799

約数の個数: 16

約数和(自身を含む): 33788160

約数和(自身を除く): 12836594

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 11731, 23462, 222889, 445778, 551357, 1102714, 10475783, 20951566]

約数ペア:

[(1, 20951566), (2, 10475783), (19, 1102714), (38, 551357), (47, 445778), (94, 222889), (893, 23462), (1786, 11731)]