20532844

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 39719680

約数和(自身を除く): 19186836

約数列:

[1, 2, 4, 19, 38, 43, 61, 76, 86, 103, 122, 172, 206, 244, 412, 817, 1159, 1634, 1957, 2318, 2623, 3268, 3914, 4429, 4636, 5246, 6283, 7828, 8858, 10492, 12566, 17716, 25132, 49837, 84151, 99674, 119377, 168302, 199348, 238754, 270169, 336604, 477508, 540338, 1080676, 5133211, 10266422, 20532844]

約数ペア:

[(1, 20532844), (2, 10266422), (4, 5133211), (19, 1080676), (38, 540338), (43, 477508), (61, 336604), (76, 270169), (86, 238754), (103, 199348), (122, 168302), (172, 119377), (206, 99674), (244, 84151), (412, 49837), (817, 25132), (1159, 17716), (1634, 12566), (1957, 10492), (2318, 8858), (2623, 7828), (3268, 6283), (3914, 5246), (4429, 4636)]