20105632988

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{174413}}^1$

素因数の和:174626

約数の個数: 48

約数和(自身を含む): 42194234880

約数和(自身を除く): 22088601892

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 179, 322, 358, 644, 716, 1253, 2506, 4117, 5012, 8234, 16468, 28819, 57638, 115276, 174413, 348826, 697652, 1220891, 2441782, 4011499, 4883564, 8022998, 16045996, 28080493, 31219927, 56160986, 62439854, 112321972, 124879708, 218539489, 437078978, 718058321, 874157956, 1436116642, 2872233284, 5026408247, 10052816494, 20105632988]

約数ペア:

[(1, 20105632988), (2, 10052816494), (4, 5026408247), (7, 2872233284), (14, 1436116642), (23, 874157956), (28, 718058321), (46, 437078978), (92, 218539489), (161, 124879708), (179, 112321972), (322, 62439854), (358, 56160986), (644, 31219927), (716, 28080493), (1253, 16045996), (2506, 8022998), (4117, 4883564), (5012, 4011499), (8234, 2441782), (16468, 1220891), (28819, 697652), (57638, 348826), (115276, 174413)]