20937278

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:704

約数の個数: 24

約数和(自身を含む): 33905952

約数和(自身を除く): 12968674

約数列:

[1, 2, 19, 38, 47, 94, 361, 617, 722, 893, 1234, 1786, 11723, 16967, 23446, 28999, 33934, 57998, 222737, 445474, 550981, 1101962, 10468639, 20937278]

約数ペア:

[(1, 20937278), (2, 10468639), (19, 1101962), (38, 550981), (47, 445474), (94, 222737), (361, 57998), (617, 33934), (722, 28999), (893, 23446), (1234, 16967), (1786, 11723)]