20551804

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 24155012

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 131, 182, 262, 364, 431, 524, 862, 917, 1703, 1724, 1834, 3017, 3406, 3668, 5603, 6034, 6812, 11206, 11921, 12068, 22412, 23842, 39221, 47684, 56461, 78442, 112922, 156884, 225844, 395227, 733993, 790454, 1467986, 1580908, 2935972, 5137951, 10275902, 20551804]

約数ペア:

[(1, 20551804), (2, 10275902), (4, 5137951), (7, 2935972), (13, 1580908), (14, 1467986), (26, 790454), (28, 733993), (52, 395227), (91, 225844), (131, 156884), (182, 112922), (262, 78442), (364, 56461), (431, 47684), (524, 39221), (862, 23842), (917, 22412), (1703, 12068), (1724, 11921), (1834, 11206), (3017, 6812), (3406, 6034), (3668, 5603)]