20199190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3907}}^1$

素因数の和:3972

約数の個数: 32

約数和(自身を含む): 40518144

約数和(自身を除く): 20318954

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 517, 1034, 2585, 3907, 5170, 7814, 19535, 39070, 42977, 85954, 183629, 214885, 367258, 429770, 918145, 1836290, 2019919, 4039838, 10099595, 20199190]

約数ペア:

[(1, 20199190), (2, 10099595), (5, 4039838), (10, 2019919), (11, 1836290), (22, 918145), (47, 429770), (55, 367258), (94, 214885), (110, 183629), (235, 85954), (470, 42977), (517, 39070), (1034, 19535), (2585, 7814), (3907, 5170)]