20491226

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1231}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 16764454

約数列:

[1, 2, 7, 14, 29, 41, 58, 82, 203, 287, 406, 574, 1189, 1231, 2378, 2462, 8323, 8617, 16646, 17234, 35699, 50471, 71398, 100942, 249893, 353297, 499786, 706594, 1463659, 2927318, 10245613, 20491226]

約数ペア:

[(1, 20491226), (2, 10245613), (7, 2927318), (14, 1463659), (29, 706594), (41, 499786), (58, 353297), (82, 249893), (203, 100942), (287, 71398), (406, 50471), (574, 35699), (1189, 17234), (1231, 16646), (2378, 8617), (2462, 8323)]