20122533

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 30942720

約数和(自身を除く): 10820187

約数列:

[1, 3, 9, 27, 47, 101, 141, 157, 303, 423, 471, 909, 1269, 1413, 2727, 4239, 4747, 7379, 14241, 15857, 22137, 42723, 47571, 66411, 128169, 142713, 199233, 428139, 745279, 2235837, 6707511, 20122533]

約数ペア:

[(1, 20122533), (3, 6707511), (9, 2235837), (27, 745279), (47, 428139), (101, 199233), (141, 142713), (157, 128169), (303, 66411), (423, 47571), (471, 42723), (909, 22137), (1269, 15857), (1413, 14241), (2727, 7379), (4239, 4747)]