20159480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45817}}^1$

素因数の和:45839

約数の個数: 32

約数和(自身を含む): 49483440

約数和(自身を除く): 29323960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45817, 91634, 183268, 229085, 366536, 458170, 503987, 916340, 1007974, 1832680, 2015948, 2519935, 4031896, 5039870, 10079740, 20159480]

約数ペア:

[(1, 20159480), (2, 10079740), (4, 5039870), (5, 4031896), (8, 2519935), (10, 2015948), (11, 1832680), (20, 1007974), (22, 916340), (40, 503987), (44, 458170), (55, 366536), (88, 229085), (110, 183268), (220, 91634), (440, 45817)]