20478558

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{719}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 21822882

約数列:

[1, 2, 3, 6, 47, 94, 101, 141, 202, 282, 303, 606, 719, 1438, 2157, 4314, 4747, 9494, 14241, 28482, 33793, 67586, 72619, 101379, 145238, 202758, 217857, 435714, 3413093, 6826186, 10239279, 20478558]

約数ペア:

[(1, 20478558), (2, 10239279), (3, 6826186), (6, 3413093), (47, 435714), (94, 217857), (101, 202758), (141, 145238), (202, 101379), (282, 72619), (303, 67586), (606, 33793), (719, 28482), (1438, 14241), (2157, 9494), (4314, 4747)]