20129892138

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{419}}^1\times {\mathrm{25913}}^1$

素因数の和:26443

約数の個数: 48

約数和(自身を含む): 44145017280

約数和(自身を除く): 24015125142

約数列:

[1, 2, 3, 6, 9, 18, 103, 206, 309, 419, 618, 838, 927, 1257, 1854, 2514, 3771, 7542, 25913, 43157, 51826, 77739, 86314, 129471, 155478, 233217, 258942, 388413, 466434, 776826, 2669039, 5338078, 8007117, 10857547, 16014234, 21715094, 24021351, 32572641, 48042702, 65145282, 97717923, 195435846, 1118327341, 2236654682, 3354982023, 6709964046, 10064946069, 20129892138]

約数ペア:

[(1, 20129892138), (2, 10064946069), (3, 6709964046), (6, 3354982023), (9, 2236654682), (18, 1118327341), (103, 195435846), (206, 97717923), (309, 65145282), (419, 48042702), (618, 32572641), (838, 24021351), (927, 21715094), (1257, 16014234), (1854, 10857547), (2514, 8007117), (3771, 5338078), (7542, 2669039), (25913, 776826), (43157, 466434), (51826, 388413), (77739, 258942), (86314, 233217), (129471, 155478)]