20696808

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{7127}}^1$

素因数の和:7158

約数の個数: 48

約数和(自身を含む): 56881440

約数和(自身を除く): 36184632

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 7127, 14254, 21381, 28508, 42762, 57016, 78397, 85524, 156794, 171048, 235191, 313588, 470382, 627176, 862367, 940764, 1724734, 1881528, 2587101, 3449468, 5174202, 6898936, 10348404, 20696808]

約数ペア:

[(1, 20696808), (2, 10348404), (3, 6898936), (4, 5174202), (6, 3449468), (8, 2587101), (11, 1881528), (12, 1724734), (22, 940764), (24, 862367), (33, 627176), (44, 470382), (66, 313588), (88, 235191), (121, 171048), (132, 156794), (242, 85524), (264, 78397), (363, 57016), (484, 42762), (726, 28508), (968, 21381), (1452, 14254), (2904, 7127)]