20914504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{201101}}^1$

素因数の和:201120

約数の個数: 16

約数和(自身を含む): 42231420

約数和(自身を除く): 21316916

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 201101, 402202, 804404, 1608808, 2614313, 5228626, 10457252, 20914504]

約数ペア:

[(1, 20914504), (2, 10457252), (4, 5228626), (8, 2614313), (13, 1608808), (26, 804404), (52, 402202), (104, 201101)]