20459738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1129}}^1$

素因数の和:1202

約数の個数: 32

約数和(自身を含む): 35879760

約数和(自身を除く): 15420022

約数列:

[1, 2, 13, 17, 26, 34, 41, 82, 221, 442, 533, 697, 1066, 1129, 1394, 2258, 9061, 14677, 18122, 19193, 29354, 38386, 46289, 92578, 249509, 499018, 601757, 786913, 1203514, 1573826, 10229869, 20459738]

約数ペア:

[(1, 20459738), (2, 10229869), (13, 1573826), (17, 1203514), (26, 786913), (34, 601757), (41, 499018), (82, 249509), (221, 92578), (442, 46289), (533, 38386), (697, 29354), (1066, 19193), (1129, 18122), (1394, 14677), (2258, 9061)]