20748980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148207}}^1$

素因数の和:148223

約数の個数: 24

約数和(自身を含む): 49797888

約数和(自身を除く): 29048908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148207, 296414, 592828, 741035, 1037449, 1482070, 2074898, 2964140, 4149796, 5187245, 10374490, 20748980]

約数ペア:

[(1, 20748980), (2, 10374490), (4, 5187245), (5, 4149796), (7, 2964140), (10, 2074898), (14, 1482070), (20, 1037449), (28, 741035), (35, 592828), (70, 296414), (140, 148207)]