20371190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1249}}^1$

素因数の和:1496

約数の個数: 32

約数和(自身を含む): 42120000

約数和(自身を除く): 21748810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 233, 466, 1165, 1249, 1631, 2330, 2498, 3262, 6245, 8155, 8743, 12490, 16310, 17486, 43715, 87430, 291017, 582034, 1455085, 2037119, 2910170, 4074238, 10185595, 20371190]

約数ペア:

[(1, 20371190), (2, 10185595), (5, 4074238), (7, 2910170), (10, 2037119), (14, 1455085), (35, 582034), (70, 291017), (233, 87430), (466, 43715), (1165, 17486), (1249, 16310), (1631, 12490), (2330, 8743), (2498, 8155), (3262, 6245)]