20502924

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{787}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 51894528

約数和(自身を除く): 31391604

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 167, 334, 501, 668, 787, 1002, 1574, 2004, 2171, 2361, 3148, 4342, 4722, 6513, 8684, 9444, 10231, 13026, 20462, 26052, 30693, 40924, 61386, 122772, 131429, 262858, 394287, 525716, 788574, 1577148, 1708577, 3417154, 5125731, 6834308, 10251462, 20502924]

約数ペア:

[(1, 20502924), (2, 10251462), (3, 6834308), (4, 5125731), (6, 3417154), (12, 1708577), (13, 1577148), (26, 788574), (39, 525716), (52, 394287), (78, 262858), (156, 131429), (167, 122772), (334, 61386), (501, 40924), (668, 30693), (787, 26052), (1002, 20462), (1574, 13026), (2004, 10231), (2171, 9444), (2361, 8684), (3148, 6513), (4342, 4722)]