20952308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2251}}^1$

素因数の和:2447

約数の個数: 24

約数和(自身を含む): 39725280

約数和(自身を除く): 18772972

約数列:

[1, 2, 4, 13, 26, 52, 179, 358, 716, 2251, 2327, 4502, 4654, 9004, 9308, 29263, 58526, 117052, 402929, 805858, 1611716, 5238077, 10476154, 20952308]

約数ペア:

[(1, 20952308), (2, 10476154), (4, 5238077), (13, 1611716), (26, 805858), (52, 402929), (179, 117052), (358, 58526), (716, 29263), (2251, 9308), (2327, 9004), (4502, 4654)]