20267830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8011}}^1$

素因数の和:8052

約数の個数: 32

約数和(自身を含む): 41534208

約数和(自身を除く): 21266378

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8011, 16022, 40055, 80110, 88121, 176242, 184253, 368506, 440605, 881210, 921265, 1842530, 2026783, 4053566, 10133915, 20267830]

約数ペア:

[(1, 20267830), (2, 10133915), (5, 4053566), (10, 2026783), (11, 1842530), (22, 921265), (23, 881210), (46, 440605), (55, 368506), (110, 184253), (115, 176242), (230, 88121), (253, 80110), (506, 40055), (1265, 16022), (2530, 8011)]