20281612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{22943}}^1$

素因数の和:22977

約数の個数: 24

約数和(自身を含む): 40473216

約数和(自身を除く): 20191604

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 22943, 45886, 91772, 298259, 390031, 596518, 780062, 1193036, 1560124, 5070403, 10140806, 20281612]

約数ペア:

[(1, 20281612), (2, 10140806), (4, 5070403), (13, 1560124), (17, 1193036), (26, 780062), (34, 596518), (52, 390031), (68, 298259), (221, 91772), (442, 45886), (884, 22943)]