20790692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5477}}^1$

素因数の和:5567

約数の個数: 24

約数和(自身を含む): 39726456

約数和(自身を除く): 18935764

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 5477, 10954, 21908, 71201, 142402, 284804, 399821, 799642, 1599284, 5197673, 10395346, 20790692]

約数ペア:

[(1, 20790692), (2, 10395346), (4, 5197673), (13, 1599284), (26, 799642), (52, 399821), (73, 284804), (146, 142402), (292, 71201), (949, 21908), (1898, 10954), (3796, 5477)]