20609372

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1493}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 45178560

約数和(自身を除く): 24569188

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 58, 68, 116, 119, 203, 238, 406, 476, 493, 812, 986, 1493, 1972, 2986, 3451, 5972, 6902, 10451, 13804, 20902, 25381, 41804, 43297, 50762, 86594, 101524, 173188, 177667, 303079, 355334, 606158, 710668, 736049, 1212316, 1472098, 2944196, 5152343, 10304686, 20609372]

約数ペア:

[(1, 20609372), (2, 10304686), (4, 5152343), (7, 2944196), (14, 1472098), (17, 1212316), (28, 736049), (29, 710668), (34, 606158), (58, 355334), (68, 303079), (116, 177667), (119, 173188), (203, 101524), (238, 86594), (406, 50762), (476, 43297), (493, 41804), (812, 25381), (986, 20902), (1493, 13804), (1972, 10451), (2986, 6902), (3451, 5972)]