20182270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1867}}^1$

素因数の和:1944

約数の個数: 32

約数和(自身を含む): 38734848

約数和(自身を除く): 18552578

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 1867, 2162, 3734, 5405, 9335, 10810, 18670, 42941, 85882, 87749, 175498, 214705, 429410, 438745, 877490, 2018227, 4036454, 10091135, 20182270]

約数ペア:

[(1, 20182270), (2, 10091135), (5, 4036454), (10, 2018227), (23, 877490), (46, 438745), (47, 429410), (94, 214705), (115, 175498), (230, 87749), (235, 85882), (470, 42941), (1081, 18670), (1867, 10810), (2162, 9335), (3734, 5405)]