20484428

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{709}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 37215360

約数和(自身を除く): 16730932

約数列:

[1, 2, 4, 31, 62, 124, 233, 466, 709, 932, 1418, 2836, 7223, 14446, 21979, 28892, 43958, 87916, 165197, 330394, 660788, 5121107, 10242214, 20484428]

約数ペア:

[(1, 20484428), (2, 10242214), (4, 5121107), (31, 660788), (62, 330394), (124, 165197), (233, 87916), (466, 43958), (709, 28892), (932, 21979), (1418, 14446), (2836, 7223)]