20963268

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3709}}^1$

素因数の和:3876

約数の個数: 36

約数和(自身を含む): 53342380

約数和(自身を除く): 32379112

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3709, 5652, 7418, 11127, 14836, 22254, 33381, 44508, 66762, 133524, 582313, 1164626, 1746939, 2329252, 3493878, 5240817, 6987756, 10481634, 20963268]

約数ペア:

[(1, 20963268), (2, 10481634), (3, 6987756), (4, 5240817), (6, 3493878), (9, 2329252), (12, 1746939), (18, 1164626), (36, 582313), (157, 133524), (314, 66762), (471, 44508), (628, 33381), (942, 22254), (1413, 14836), (1884, 11127), (2826, 7418), (3709, 5652)]