20704878

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 48218976

約数和(自身を除く): 27514098

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 71, 102, 142, 153, 213, 306, 426, 639, 953, 1207, 1278, 1906, 2414, 2859, 3621, 5718, 7242, 8577, 10863, 16201, 17154, 21726, 32402, 48603, 67663, 97206, 135326, 145809, 202989, 291618, 405978, 608967, 1150271, 1217934, 2300542, 3450813, 6901626, 10352439, 20704878]

約数ペア:

[(1, 20704878), (2, 10352439), (3, 6901626), (6, 3450813), (9, 2300542), (17, 1217934), (18, 1150271), (34, 608967), (51, 405978), (71, 291618), (102, 202989), (142, 145809), (153, 135326), (213, 97206), (306, 67663), (426, 48603), (639, 32402), (953, 21726), (1207, 17154), (1278, 16201), (1906, 10863), (2414, 8577), (2859, 7242), (3621, 5718)]