20106309916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1388941}}^1$

素因数の和:1389010

約数の個数: 48

約数和(自身を含む): 44801713152

約数和(自身を除く): 24695403236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 154, 188, 308, 329, 517, 658, 1034, 1316, 2068, 3619, 7238, 14476, 1388941, 2777882, 5555764, 9722587, 15278351, 19445174, 30556702, 38890348, 61113404, 65280227, 106948457, 130560454, 213896914, 261120908, 427793828, 456961589, 718082497, 913923178, 1436164994, 1827846356, 2872329988, 5026577479, 10053154958, 20106309916]

約数ペア:

[(1, 20106309916), (2, 10053154958), (4, 5026577479), (7, 2872329988), (11, 1827846356), (14, 1436164994), (22, 913923178), (28, 718082497), (44, 456961589), (47, 427793828), (77, 261120908), (94, 213896914), (154, 130560454), (188, 106948457), (308, 65280227), (329, 61113404), (517, 38890348), (658, 30556702), (1034, 19445174), (1316, 15278351), (2068, 9722587), (3619, 5555764), (7238, 2777882), (14476, 1388941)]