20201028

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2161}}^1$

素因数の和:2228

約数の個数: 48

約数和(自身を含む): 50850240

約数和(自身を除く): 30649212

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 57, 76, 82, 114, 123, 164, 228, 246, 492, 779, 1558, 2161, 2337, 3116, 4322, 4674, 6483, 8644, 9348, 12966, 25932, 41059, 82118, 88601, 123177, 164236, 177202, 246354, 265803, 354404, 492708, 531606, 1063212, 1683419, 3366838, 5050257, 6733676, 10100514, 20201028]

約数ペア:

[(1, 20201028), (2, 10100514), (3, 6733676), (4, 5050257), (6, 3366838), (12, 1683419), (19, 1063212), (38, 531606), (41, 492708), (57, 354404), (76, 265803), (82, 246354), (114, 177202), (123, 164236), (164, 123177), (228, 88601), (246, 82118), (492, 41059), (779, 25932), (1558, 12966), (2161, 9348), (2337, 8644), (3116, 6483), (4322, 4674)]