20057882

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2137}}^1$

素因数の和:2190

約数の個数: 24

約数和(自身を含む): 34212276

約数和(自身を除く): 14154394

約数列:

[1, 2, 13, 19, 26, 38, 247, 361, 494, 722, 2137, 4274, 4693, 9386, 27781, 40603, 55562, 81206, 527839, 771457, 1055678, 1542914, 10028941, 20057882]

約数ペア:

[(1, 20057882), (2, 10028941), (13, 1542914), (19, 1055678), (26, 771457), (38, 527839), (247, 81206), (361, 55562), (494, 40603), (722, 27781), (2137, 9386), (4274, 4693)]