20212623

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1801}}^1$

素因数の和:1879

約数の個数: 24

約数和(自身を含む): 30922320

約数和(自身を除く): 10709697

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 1801, 3741, 5403, 11223, 16209, 52229, 77443, 156687, 232329, 470061, 696987, 2245847, 6737541, 20212623]

約数ペア:

[(1, 20212623), (3, 6737541), (9, 2245847), (29, 696987), (43, 470061), (87, 232329), (129, 156687), (261, 77443), (387, 52229), (1247, 16209), (1801, 11223), (3741, 5403)]