16986740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1063}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 21623692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1063, 1598, 2126, 3196, 3995, 4252, 5315, 7990, 10630, 15980, 18071, 21260, 36142, 49961, 72284, 90355, 99922, 180710, 199844, 249805, 361420, 499610, 849337, 999220, 1698674, 3397348, 4246685, 8493370, 16986740]

約数ペア:

[(1, 16986740), (2, 8493370), (4, 4246685), (5, 3397348), (10, 1698674), (17, 999220), (20, 849337), (34, 499610), (47, 361420), (68, 249805), (85, 199844), (94, 180710), (170, 99922), (188, 90355), (235, 72284), (340, 49961), (470, 36142), (799, 21260), (940, 18071), (1063, 15980), (1598, 10630), (2126, 7990), (3196, 5315), (3995, 4252)]