20637959986

素因数分解:

$2^1\times 7^1\times {\mathrm{3517}}^1\times {\mathrm{419147}}^1$

素因数の和:422673

約数の個数: 16

約数和(自身を含む): 35389503936

約数和(自身を除く): 14751543950

約数列:

[1, 2, 7, 14, 3517, 7034, 24619, 49238, 419147, 838294, 2934029, 5868058, 1474139999, 2948279998, 10318979993, 20637959986]

約数ペア:

[(1, 20637959986), (2, 10318979993), (7, 2948279998), (14, 1474139999), (3517, 5868058), (7034, 2934029), (24619, 838294), (49238, 419147)]