20108552

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{743}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 20067448

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 199, 398, 743, 796, 1486, 1592, 2972, 3383, 5944, 6766, 12631, 13532, 25262, 27064, 50524, 101048, 147857, 295714, 591428, 1182856, 2513569, 5027138, 10054276, 20108552]

約数ペア:

[(1, 20108552), (2, 10054276), (4, 5027138), (8, 2513569), (17, 1182856), (34, 591428), (68, 295714), (136, 147857), (199, 101048), (398, 50524), (743, 27064), (796, 25262), (1486, 13532), (1592, 12631), (2972, 6766), (3383, 5944)]