20402772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{130787}}^1$

素因数の和:130807

約数の個数: 24

約数和(自身を含む): 51268896

約数和(自身を除く): 30866124

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 130787, 261574, 392361, 523148, 784722, 1569444, 1700231, 3400462, 5100693, 6800924, 10201386, 20402772]

約数ペア:

[(1, 20402772), (2, 10201386), (3, 6800924), (4, 5100693), (6, 3400462), (12, 1700231), (13, 1569444), (26, 784722), (39, 523148), (52, 392361), (78, 261574), (156, 130787)]