20990944

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50459}}^1$

素因数の和:50482

約数の個数: 24

約数和(自身を含む): 44505720

約数和(自身を除く): 23514776

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50459, 100918, 201836, 403672, 655967, 807344, 1311934, 1614688, 2623868, 5247736, 10495472, 20990944]

約数ペア:

[(1, 20990944), (2, 10495472), (4, 5247736), (8, 2623868), (13, 1614688), (16, 1311934), (26, 807344), (32, 655967), (52, 403672), (104, 201836), (208, 100918), (416, 50459)]