20893502

素因数分解:

$2^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:278

約数の個数: 40

約数和(自身を含む): 38653800

約数和(自身を除く): 17760298

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 229, 266, 343, 458, 686, 931, 1603, 1862, 2401, 3206, 4351, 4802, 6517, 8702, 11221, 13034, 22442, 30457, 45619, 60914, 78547, 91238, 157094, 213199, 426398, 549829, 1099658, 1492393, 2984786, 10446751, 20893502]

約数ペア:

[(1, 20893502), (2, 10446751), (7, 2984786), (14, 1492393), (19, 1099658), (38, 549829), (49, 426398), (98, 213199), (133, 157094), (229, 91238), (266, 78547), (343, 60914), (458, 45619), (686, 30457), (931, 22442), (1603, 13034), (1862, 11221), (2401, 8702), (3206, 6517), (4351, 4802)]