20123983485

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15420677}}^1$

素因数の和:15420717

約数の個数: 24

約数和(自身を含む): 36084386520

約数和(自身を除く): 15960403035

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15420677, 46262031, 77103385, 138786093, 231310155, 447199633, 693930465, 1341598899, 2235998165, 4024796697, 6707994495, 20123983485]

約数ペア:

[(1, 20123983485), (3, 6707994495), (5, 4024796697), (9, 2235998165), (15, 1341598899), (29, 693930465), (45, 447199633), (87, 231310155), (145, 138786093), (261, 77103385), (435, 46262031), (1305, 15420677)]