20671404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10193}}^1$

素因数の和:10226

約数の個数: 36

約数和(自身を含む): 52234056

約数和(自身を除く): 31562652

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10193, 20386, 30579, 40772, 61158, 122316, 132509, 265018, 397527, 530036, 795054, 1590108, 1722617, 3445234, 5167851, 6890468, 10335702, 20671404]

約数ペア:

[(1, 20671404), (2, 10335702), (3, 6890468), (4, 5167851), (6, 3445234), (12, 1722617), (13, 1590108), (26, 795054), (39, 530036), (52, 397527), (78, 265018), (156, 132509), (169, 122316), (338, 61158), (507, 40772), (676, 30579), (1014, 20386), (2028, 10193)]