20440124

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4409}}^1$

素因数の和:4493

約数の個数: 24

約数和(自身を含む): 38278800

約数和(自身を除く): 17838676

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4409, 4636, 8818, 17636, 83771, 167542, 268949, 335084, 537898, 1075796, 5110031, 10220062, 20440124]

約数ペア:

[(1, 20440124), (2, 10220062), (4, 5110031), (19, 1075796), (38, 537898), (61, 335084), (76, 268949), (122, 167542), (244, 83771), (1159, 17636), (2318, 8818), (4409, 4636)]