20161546956

素因数分解:

$2^2\times 3^2\times {\mathrm{1439}}^1\times {\mathrm{389189}}^1$

素因数の和:390638

約数の個数: 36

約数和(自身を含む): 50999457600

約数和(自身を除く): 30837910644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1439, 2878, 4317, 5756, 8634, 12951, 17268, 25902, 51804, 389189, 778378, 1167567, 1556756, 2335134, 3502701, 4670268, 7005402, 14010804, 560042971, 1120085942, 1680128913, 2240171884, 3360257826, 5040386739, 6720515652, 10080773478, 20161546956]

約数ペア:

[(1, 20161546956), (2, 10080773478), (3, 6720515652), (4, 5040386739), (6, 3360257826), (9, 2240171884), (12, 1680128913), (18, 1120085942), (36, 560042971), (1439, 14010804), (2878, 7005402), (4317, 4670268), (5756, 3502701), (8634, 2335134), (12951, 1556756), (17268, 1167567), (25902, 778378), (51804, 389189)]