20908752

素因数分解:

$2^4\times 3^1\times {\mathrm{659}}^1\times {\mathrm{661}}^1$

素因数の和:1331

約数の個数: 40

約数和(自身を含む): 54178080

約数和(自身を除く): 33269328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 659, 661, 1318, 1322, 1977, 1983, 2636, 2644, 3954, 3966, 5272, 5288, 7908, 7932, 10544, 10576, 15816, 15864, 31632, 31728, 435599, 871198, 1306797, 1742396, 2613594, 3484792, 5227188, 6969584, 10454376, 20908752]

約数ペア:

[(1, 20908752), (2, 10454376), (3, 6969584), (4, 5227188), (6, 3484792), (8, 2613594), (12, 1742396), (16, 1306797), (24, 871198), (48, 435599), (659, 31728), (661, 31632), (1318, 15864), (1322, 15816), (1977, 10576), (1983, 10544), (2636, 7932), (2644, 7908), (3954, 5288), (3966, 5272)]