20628452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20879}}^1$

素因数の和:20915

約数の個数: 24

約数和(自身を含む): 40924800

約数和(自身を除く): 20296348

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20879, 41758, 83516, 271427, 396701, 542854, 793402, 1085708, 1586804, 5157113, 10314226, 20628452]

約数ペア:

[(1, 20628452), (2, 10314226), (4, 5157113), (13, 1586804), (19, 1085708), (26, 793402), (38, 542854), (52, 396701), (76, 271427), (247, 83516), (494, 41758), (988, 20879)]