20961068

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1549}}^1$

素因数の和:1769

約数の個数: 24

約数和(自身を含む): 39060000

約数和(自身を除く): 18098932

約数列:

[1, 2, 4, 17, 34, 68, 199, 398, 796, 1549, 3098, 3383, 6196, 6766, 13532, 26333, 52666, 105332, 308251, 616502, 1233004, 5240267, 10480534, 20961068]

約数ペア:

[(1, 20961068), (2, 10480534), (4, 5240267), (17, 1233004), (34, 616502), (68, 308251), (199, 105332), (398, 52666), (796, 26333), (1549, 13532), (3098, 6766), (3383, 6196)]