20880451599

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1\times {\mathrm{16979}}^1$

素因数の和:17519

約数の個数: 32

約数和(自身を含む): 32108229120

約数和(自身を除く): 11227777521

約数列:

[1, 3, 7, 21, 157, 373, 471, 1099, 1119, 2611, 3297, 7833, 16979, 50937, 58561, 118853, 175683, 356559, 409927, 1229781, 2665703, 6333167, 7997109, 18659921, 18999501, 44332169, 55979763, 132996507, 994307219, 2982921657, 6960150533, 20880451599]

約数ペア:

[(1, 20880451599), (3, 6960150533), (7, 2982921657), (21, 994307219), (157, 132996507), (373, 55979763), (471, 44332169), (1099, 18999501), (1119, 18659921), (2611, 7997109), (3297, 6333167), (7833, 2665703), (16979, 1229781), (50937, 409927), (58561, 356559), (118853, 175683)]