20279142

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1097}}^1$

素因数の和:1197

約数の個数: 48

約数和(自身を含む): 47960640

約数和(自身を除く): 27681498

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 79, 117, 158, 234, 237, 474, 711, 1027, 1097, 1422, 2054, 2194, 3081, 3291, 6162, 6582, 9243, 9873, 14261, 18486, 19746, 28522, 42783, 85566, 86663, 128349, 173326, 256698, 259989, 519978, 779967, 1126619, 1559934, 2253238, 3379857, 6759714, 10139571, 20279142]

約数ペア:

[(1, 20279142), (2, 10139571), (3, 6759714), (6, 3379857), (9, 2253238), (13, 1559934), (18, 1126619), (26, 779967), (39, 519978), (78, 259989), (79, 256698), (117, 173326), (158, 128349), (234, 86663), (237, 85566), (474, 42783), (711, 28522), (1027, 19746), (1097, 18486), (1422, 14261), (2054, 9873), (2194, 9243), (3081, 6582), (3291, 6162)]