20958196

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4957}}^1$

素因数の和:5119

約数の個数: 24

約数和(自身を含む): 42202496

約数和(自身を除く): 21244300

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 4957, 9914, 19828, 34699, 69398, 138796, 748507, 1497014, 2994028, 5239549, 10479098, 20958196]

約数ペア:

[(1, 20958196), (2, 10479098), (4, 5239549), (7, 2994028), (14, 1497014), (28, 748507), (151, 138796), (302, 69398), (604, 34699), (1057, 19828), (2114, 9914), (4228, 4957)]