20538085689

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{26573}}^1$

素因数の和:26838

約数の個数: 48

約数和(自身を含む): 33396502464

約数和(自身を除く): 12858416775

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 211, 333, 407, 633, 1221, 1899, 2321, 3663, 6963, 7807, 20889, 23421, 26573, 70263, 79719, 85877, 239157, 257631, 292303, 772893, 876909, 983201, 2630727, 2949603, 5606903, 8848809, 10815211, 16820709, 32445633, 50462127, 61675933, 97336899, 185027799, 207455411, 555083397, 622366233, 1867098699, 2282009521, 6846028563, 20538085689]

約数ペア:

[(1, 20538085689), (3, 6846028563), (9, 2282009521), (11, 1867098699), (33, 622366233), (37, 555083397), (99, 207455411), (111, 185027799), (211, 97336899), (333, 61675933), (407, 50462127), (633, 32445633), (1221, 16820709), (1899, 10815211), (2321, 8848809), (3663, 5606903), (6963, 2949603), (7807, 2630727), (20889, 983201), (23421, 876909), (26573, 772893), (70263, 292303), (79719, 257631), (85877, 239157)]