20830911

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{1039}}^1$

素因数の和:1246

約数の個数: 16

約数和(自身を含む): 28654080

約数和(自身を除く): 7823169

約数列:

[1, 3, 41, 123, 163, 489, 1039, 3117, 6683, 20049, 42599, 127797, 169357, 508071, 6943637, 20830911]

約数ペア:

[(1, 20830911), (3, 6943637), (41, 508071), (123, 169357), (163, 127797), (489, 42599), (1039, 20049), (3117, 6683)]