20110558

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 34727616

約数和(自身を除く): 14617058

約数列:

[1, 2, 13, 17, 26, 34, 173, 221, 263, 346, 442, 526, 2249, 2941, 3419, 4471, 4498, 5882, 6838, 8942, 38233, 45499, 58123, 76466, 90998, 116246, 591487, 773483, 1182974, 1546966, 10055279, 20110558]

約数ペア:

[(1, 20110558), (2, 10055279), (13, 1546966), (17, 1182974), (26, 773483), (34, 591487), (173, 116246), (221, 90998), (263, 76466), (346, 58123), (442, 45499), (526, 38233), (2249, 8942), (2941, 6838), (3419, 5882), (4471, 4498)]