402015020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1827341}}^1$

素因数の和:1827361

約数の個数: 24

約数和(自身を含む): 920980368

約数和(自身を除く): 518965348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1827341, 3654682, 7309364, 9136705, 18273410, 20100751, 36546820, 40201502, 80403004, 100503755, 201007510, 402015020]

約数ペア:

[(1, 402015020), (2, 201007510), (4, 100503755), (5, 80403004), (10, 40201502), (11, 36546820), (20, 20100751), (22, 18273410), (44, 9136705), (55, 7309364), (110, 3654682), (220, 1827341)]