20683460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{147739}}^1$

素因数の和:147755

約数の個数: 24

約数和(自身を含む): 49640640

約数和(自身を除く): 28957180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 147739, 295478, 590956, 738695, 1034173, 1477390, 2068346, 2954780, 4136692, 5170865, 10341730, 20683460]

約数ペア:

[(1, 20683460), (2, 10341730), (4, 5170865), (5, 4136692), (7, 2954780), (10, 2068346), (14, 1477390), (20, 1034173), (28, 738695), (35, 590956), (70, 295478), (140, 147739)]