20878122382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{271}}^1\times {\mathrm{10253}}^1$

素因数の和:10573

約数の個数: 48

約数和(自身を含む): 35962500672

約数和(自身を除く): 15084378290

約数列:

[1, 2, 13, 17, 26, 34, 221, 271, 289, 442, 542, 578, 3523, 3757, 4607, 7046, 7514, 9214, 10253, 20506, 59891, 78319, 119782, 133289, 156638, 174301, 266578, 348602, 1018147, 2036294, 2265913, 2778563, 2963117, 4531826, 5557126, 5926234, 36121319, 38520521, 47235571, 72242638, 77041042, 94471142, 614062423, 803004707, 1228124846, 1606009414, 10439061191, 20878122382]

約数ペア:

[(1, 20878122382), (2, 10439061191), (13, 1606009414), (17, 1228124846), (26, 803004707), (34, 614062423), (221, 94471142), (271, 77041042), (289, 72242638), (442, 47235571), (542, 38520521), (578, 36121319), (3523, 5926234), (3757, 5557126), (4607, 4531826), (7046, 2963117), (7514, 2778563), (9214, 2265913), (10253, 2036294), (20506, 1018147), (59891, 348602), (78319, 266578), (119782, 174301), (133289, 156638)]