20489838

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 42287616

約数和(自身を除く): 21797778

約数列:

[1, 2, 3, 6, 47, 94, 113, 141, 226, 282, 339, 643, 678, 1286, 1929, 3858, 5311, 10622, 15933, 30221, 31866, 60442, 72659, 90663, 145318, 181326, 217977, 435954, 3414973, 6829946, 10244919, 20489838]

約数ペア:

[(1, 20489838), (2, 10244919), (3, 6829946), (6, 3414973), (47, 435954), (94, 217977), (113, 181326), (141, 145318), (226, 90663), (282, 72659), (339, 60442), (643, 31866), (678, 30221), (1286, 15933), (1929, 10622), (3858, 5311)]