20702944

素因数分解:

$2^5\times {\mathrm{23}}^2\times {\mathrm{1223}}^1$

素因数の和:1279

約数の個数: 36

約数和(自身を含む): 42642936

約数和(自身を除く): 21939992

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 529, 736, 1058, 1223, 2116, 2446, 4232, 4892, 8464, 9784, 16928, 19568, 28129, 39136, 56258, 112516, 225032, 450064, 646967, 900128, 1293934, 2587868, 5175736, 10351472, 20702944]

約数ペア:

[(1, 20702944), (2, 10351472), (4, 5175736), (8, 2587868), (16, 1293934), (23, 900128), (32, 646967), (46, 450064), (92, 225032), (184, 112516), (368, 56258), (529, 39136), (736, 28129), (1058, 19568), (1223, 16928), (2116, 9784), (2446, 8464), (4232, 4892)]