20493876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131371}}^1$

素因数の和:131391

約数の個数: 24

約数和(自身を含む): 51497824

約数和(自身を除く): 31003948

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131371, 262742, 394113, 525484, 788226, 1576452, 1707823, 3415646, 5123469, 6831292, 10246938, 20493876]

約数ペア:

[(1, 20493876), (2, 10246938), (3, 6831292), (4, 5123469), (6, 3415646), (12, 1707823), (13, 1576452), (26, 788226), (39, 525484), (52, 394113), (78, 262742), (156, 131371)]