20861796

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^2\times {\mathrm{787}}^1$

素因数の和:888

約数の個数: 36

約数和(自身を含む): 49798448

約数和(自身を除く): 28936652

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 188, 282, 564, 787, 1574, 2209, 2361, 3148, 4418, 4722, 6627, 8836, 9444, 13254, 26508, 36989, 73978, 110967, 147956, 221934, 443868, 1738483, 3476966, 5215449, 6953932, 10430898, 20861796]

約数ペア:

[(1, 20861796), (2, 10430898), (3, 6953932), (4, 5215449), (6, 3476966), (12, 1738483), (47, 443868), (94, 221934), (141, 147956), (188, 110967), (282, 73978), (564, 36989), (787, 26508), (1574, 13254), (2209, 9444), (2361, 8836), (3148, 6627), (4418, 4722)]