20113995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{877}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 35400960

約数和(自身を除く): 15286965

約数列:

[1, 3, 5, 11, 15, 33, 55, 139, 165, 417, 695, 877, 1529, 2085, 2631, 4385, 4587, 7645, 9647, 13155, 22935, 28941, 48235, 121903, 144705, 365709, 609515, 1340933, 1828545, 4022799, 6704665, 20113995]

約数ペア:

[(1, 20113995), (3, 6704665), (5, 4022799), (11, 1828545), (15, 1340933), (33, 609515), (55, 365709), (139, 144705), (165, 121903), (417, 48235), (695, 28941), (877, 22935), (1529, 13155), (2085, 9647), (2631, 7645), (4385, 4587)]