20172974392

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{953}}^1\times {\mathrm{4003}}^1$

素因数の和:5623

約数の個数: 32

約数和(自身を含む): 37930772880

約数和(自身を除く): 17757798488

約数列:

[1, 2, 4, 8, 661, 953, 1322, 1906, 2644, 3812, 4003, 5288, 7624, 8006, 16012, 32024, 629933, 1259866, 2519732, 2645983, 3814859, 5039464, 5291966, 7629718, 10583932, 15259436, 21167864, 30518872, 2521621799, 5043243598, 10086487196, 20172974392]

約数ペア:

[(1, 20172974392), (2, 10086487196), (4, 5043243598), (8, 2521621799), (661, 30518872), (953, 21167864), (1322, 15259436), (1906, 10583932), (2644, 7629718), (3812, 5291966), (4003, 5039464), (5288, 3814859), (7624, 2645983), (8006, 2519732), (16012, 1259866), (32024, 629933)]