20794888

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 40383360

約数和(自身を除く): 19588472

約数列:

[1, 2, 4, 8, 37, 74, 148, 163, 296, 326, 431, 652, 862, 1304, 1724, 3448, 6031, 12062, 15947, 24124, 31894, 48248, 63788, 70253, 127576, 140506, 281012, 562024, 2599361, 5198722, 10397444, 20794888]

約数ペア:

[(1, 20794888), (2, 10397444), (4, 5198722), (8, 2599361), (37, 562024), (74, 281012), (148, 140506), (163, 127576), (296, 70253), (326, 63788), (431, 48248), (652, 31894), (862, 24124), (1304, 15947), (1724, 12062), (3448, 6031)]