20561646

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6197}}^1$

素因数の和:6288

約数の個数: 32

約数和(自身を含む): 47600640

約数和(自身を除く): 27038994

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 6197, 12394, 18591, 37182, 43379, 86758, 130137, 260274, 489563, 979126, 1468689, 2937378, 3426941, 6853882, 10280823, 20561646]

約数ペア:

[(1, 20561646), (2, 10280823), (3, 6853882), (6, 3426941), (7, 2937378), (14, 1468689), (21, 979126), (42, 489563), (79, 260274), (158, 130137), (237, 86758), (474, 43379), (553, 37182), (1106, 18591), (1659, 12394), (3318, 6197)]