20264170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{599}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 18615830

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 199, 398, 599, 995, 1198, 1990, 2995, 3383, 5990, 6766, 10183, 16915, 20366, 33830, 50915, 101830, 119201, 238402, 596005, 1192010, 2026417, 4052834, 10132085, 20264170]

約数ペア:

[(1, 20264170), (2, 10132085), (5, 4052834), (10, 2026417), (17, 1192010), (34, 596005), (85, 238402), (170, 119201), (199, 101830), (398, 50915), (599, 33830), (995, 20366), (1198, 16915), (1990, 10183), (2995, 6766), (3383, 5990)]