20173453088

素因数分解:

$2^5\times {\mathrm{23}}^2\times {\mathrm{281}}^1\times {\mathrm{4241}}^1$

素因数の和:4578

約数の個数: 72

約数和(自身を含む): 41675944716

約数和(自身を除く): 21502491628

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 281, 368, 529, 562, 736, 1058, 1124, 2116, 2248, 4232, 4241, 4496, 6463, 8464, 8482, 8992, 12926, 16928, 16964, 25852, 33928, 51704, 67856, 97543, 103408, 135712, 148649, 195086, 206816, 297298, 390172, 594596, 780344, 1189192, 1191721, 1560688, 2243489, 2378384, 2383442, 3121376, 4486978, 4756768, 4766884, 8973956, 9533768, 17947912, 19067536, 27409583, 35895824, 38135072, 54819166, 71791648, 109638332, 219276664, 438553328, 630420409, 877106656, 1260840818, 2521681636, 5043363272, 10086726544, 20173453088]

約数ペア:

[(1, 20173453088), (2, 10086726544), (4, 5043363272), (8, 2521681636), (16, 1260840818), (23, 877106656), (32, 630420409), (46, 438553328), (92, 219276664), (184, 109638332), (281, 71791648), (368, 54819166), (529, 38135072), (562, 35895824), (736, 27409583), (1058, 19067536), (1124, 17947912), (2116, 9533768), (2248, 8973956), (4232, 4766884), (4241, 4756768), (4496, 4486978), (6463, 3121376), (8464, 2383442), (8482, 2378384), (8992, 2243489), (12926, 1560688), (16928, 1191721), (16964, 1189192), (25852, 780344), (33928, 594596), (51704, 390172), (67856, 297298), (97543, 206816), (103408, 195086), (135712, 148649)]