20425068

素因数分解:

$2^2\times 3^3\times {\mathrm{379}}^1\times {\mathrm{499}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 53200000

約数和(自身を除く): 32774932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 379, 499, 758, 998, 1137, 1497, 1516, 1996, 2274, 2994, 3411, 4491, 4548, 5988, 6822, 8982, 10233, 13473, 13644, 17964, 20466, 26946, 40932, 53892, 189121, 378242, 567363, 756484, 1134726, 1702089, 2269452, 3404178, 5106267, 6808356, 10212534, 20425068]

約数ペア:

[(1, 20425068), (2, 10212534), (3, 6808356), (4, 5106267), (6, 3404178), (9, 2269452), (12, 1702089), (18, 1134726), (27, 756484), (36, 567363), (54, 378242), (108, 189121), (379, 53892), (499, 40932), (758, 26946), (998, 20466), (1137, 17964), (1497, 13644), (1516, 13473), (1996, 10233), (2274, 8982), (2994, 6822), (3411, 5988), (4491, 4548)]