20081079

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1637}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 30663360

約数和(自身を除く): 10582281

約数列:

[1, 3, 9, 29, 47, 87, 141, 261, 423, 1363, 1637, 4089, 4911, 12267, 14733, 47473, 76939, 142419, 230817, 427257, 692451, 2231231, 6693693, 20081079]

約数ペア:

[(1, 20081079), (3, 6693693), (9, 2231231), (29, 692451), (47, 427257), (87, 230817), (141, 142419), (261, 76939), (423, 47473), (1363, 14733), (1637, 12267), (4089, 4911)]