20538856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11617}}^1$

素因数の和:11653

約数の個数: 32

約数和(自身を含む): 43916040

約数和(自身を除く): 23377184

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11617, 23234, 46468, 92936, 151021, 197489, 302042, 394978, 604084, 789956, 1208168, 1579912, 2567357, 5134714, 10269428, 20538856]

約数ペア:

[(1, 20538856), (2, 10269428), (4, 5134714), (8, 2567357), (13, 1579912), (17, 1208168), (26, 789956), (34, 604084), (52, 394978), (68, 302042), (104, 197489), (136, 151021), (221, 92936), (442, 46468), (884, 23234), (1768, 11617)]