20177144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1481}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 41081040

約数和(自身を除く): 20903896

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 262, 524, 1048, 1481, 1703, 2962, 3406, 5924, 6812, 11848, 13624, 19253, 38506, 77012, 154024, 194011, 388022, 776044, 1552088, 2522143, 5044286, 10088572, 20177144]

約数ペア:

[(1, 20177144), (2, 10088572), (4, 5044286), (8, 2522143), (13, 1552088), (26, 776044), (52, 388022), (104, 194011), (131, 154024), (262, 77012), (524, 38506), (1048, 19253), (1481, 13624), (1703, 11848), (2962, 6812), (3406, 5924)]