17552620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 38320128

約数和(自身を除く): 20767508

約数列:

[1, 2, 4, 5, 10, 20, 47, 71, 94, 142, 188, 235, 263, 284, 355, 470, 526, 710, 940, 1052, 1315, 1420, 2630, 3337, 5260, 6674, 12361, 13348, 16685, 18673, 24722, 33370, 37346, 49444, 61805, 66740, 74692, 93365, 123610, 186730, 247220, 373460, 877631, 1755262, 3510524, 4388155, 8776310, 17552620]

約数ペア:

[(1, 17552620), (2, 8776310), (4, 4388155), (5, 3510524), (10, 1755262), (20, 877631), (47, 373460), (71, 247220), (94, 186730), (142, 123610), (188, 93365), (235, 74692), (263, 66740), (284, 61805), (355, 49444), (470, 37346), (526, 33370), (710, 24722), (940, 18673), (1052, 16685), (1315, 13348), (1420, 12361), (2630, 6674), (3337, 5260)]