20218608

素因数分解:

$2^4\times 3^2\times {\mathrm{140407}}^1$

素因数の和:140421

約数の個数: 30

約数和(自身を含む): 56584424

約数和(自身を除く): 36365816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140407, 280814, 421221, 561628, 842442, 1123256, 1263663, 1684884, 2246512, 2527326, 3369768, 5054652, 6739536, 10109304, 20218608]

約数ペア:

[(1, 20218608), (2, 10109304), (3, 6739536), (4, 5054652), (6, 3369768), (8, 2527326), (9, 2246512), (12, 1684884), (16, 1263663), (18, 1123256), (24, 842442), (36, 561628), (48, 421221), (72, 280814), (144, 140407)]