20447384

素因数分解:

$2^3\times {\mathrm{37}}^2\times {\mathrm{1867}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 39424140

約数和(自身を除く): 18976756

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 1369, 1867, 2738, 3734, 5476, 7468, 10952, 14936, 69079, 138158, 276316, 552632, 2555923, 5111846, 10223692, 20447384]

約数ペア:

[(1, 20447384), (2, 10223692), (4, 5111846), (8, 2555923), (37, 552632), (74, 276316), (148, 138158), (296, 69079), (1369, 14936), (1867, 10952), (2738, 7468), (3734, 5476)]