20400884

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42859}}^1$

素因数の和:42887

約数の個数: 24

約数和(自身を含む): 43202880

約数和(自身を除く): 22801996

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42859, 85718, 171436, 300013, 600026, 728603, 1200052, 1457206, 2914412, 5100221, 10200442, 20400884]

約数ペア:

[(1, 20400884), (2, 10200442), (4, 5100221), (7, 2914412), (14, 1457206), (17, 1200052), (28, 728603), (34, 600026), (68, 300013), (119, 171436), (238, 85718), (476, 42859)]