20803070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1549}}^1$

素因数の和:1652

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 19372930

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 395, 790, 1343, 1549, 2686, 3098, 6715, 7745, 13430, 15490, 26333, 52666, 122371, 131665, 244742, 263330, 611855, 1223710, 2080307, 4160614, 10401535, 20803070]

約数ペア:

[(1, 20803070), (2, 10401535), (5, 4160614), (10, 2080307), (17, 1223710), (34, 611855), (79, 263330), (85, 244742), (158, 131665), (170, 122371), (395, 52666), (790, 26333), (1343, 15490), (1549, 13430), (2686, 7745), (3098, 6715)]