20411286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{8237}}^1$

素因数の和:8308

約数の個数: 32

約数和(自身を含む): 47450880

約数和(自身を除く): 27039594

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 118, 177, 354, 413, 826, 1239, 2478, 8237, 16474, 24711, 49422, 57659, 115318, 172977, 345954, 485983, 971966, 1457949, 2915898, 3401881, 6803762, 10205643, 20411286]

約数ペア:

[(1, 20411286), (2, 10205643), (3, 6803762), (6, 3401881), (7, 2915898), (14, 1457949), (21, 971966), (42, 485983), (59, 345954), (118, 172977), (177, 115318), (354, 57659), (413, 49422), (826, 24711), (1239, 16474), (2478, 8237)]