20581002

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{313}}^1$

素因数の和:615

約数の個数: 48

約数和(自身を含む): 48347208

約数和(自身を除く): 27766206

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 281, 313, 562, 626, 843, 939, 1686, 1878, 2529, 2817, 3653, 4069, 5058, 5634, 7306, 8138, 10959, 12207, 21918, 24414, 32877, 36621, 65754, 73242, 87953, 175906, 263859, 527718, 791577, 1143389, 1583154, 2286778, 3430167, 6860334, 10290501, 20581002]

約数ペア:

[(1, 20581002), (2, 10290501), (3, 6860334), (6, 3430167), (9, 2286778), (13, 1583154), (18, 1143389), (26, 791577), (39, 527718), (78, 263859), (117, 175906), (234, 87953), (281, 73242), (313, 65754), (562, 36621), (626, 32877), (843, 24414), (939, 21918), (1686, 12207), (1878, 10959), (2529, 8138), (2817, 7306), (3653, 5634), (4069, 5058)]