20227577778

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{160789}}^1$

素因数の和:161067

約数の個数: 48

約数和(自身を含む): 45526080600

約数和(自身を除く): 25298502822

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 241, 261, 482, 522, 723, 1446, 2169, 4338, 6989, 13978, 20967, 41934, 62901, 125802, 160789, 321578, 482367, 964734, 1447101, 2894202, 4662881, 9325762, 13988643, 27977286, 38750149, 41965929, 77500298, 83931858, 116250447, 232500894, 348751341, 697502682, 1123754321, 2247508642, 3371262963, 6742525926, 10113788889, 20227577778]

約数ペア:

[(1, 20227577778), (2, 10113788889), (3, 6742525926), (6, 3371262963), (9, 2247508642), (18, 1123754321), (29, 697502682), (58, 348751341), (87, 232500894), (174, 116250447), (241, 83931858), (261, 77500298), (482, 41965929), (522, 38750149), (723, 27977286), (1446, 13988643), (2169, 9325762), (4338, 4662881), (6989, 2894202), (13978, 1447101), (20967, 964734), (41934, 482367), (62901, 321578), (125802, 160789)]