20010116

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1297}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 43612800

約数和(自身を除く): 23602684

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 203, 266, 406, 532, 551, 812, 1102, 1297, 2204, 2594, 3857, 5188, 7714, 9079, 15428, 18158, 24643, 36316, 37613, 49286, 75226, 98572, 150452, 172501, 263291, 345002, 526582, 690004, 714647, 1053164, 1429294, 2858588, 5002529, 10005058, 20010116]

約数ペア:

[(1, 20010116), (2, 10005058), (4, 5002529), (7, 2858588), (14, 1429294), (19, 1053164), (28, 714647), (29, 690004), (38, 526582), (58, 345002), (76, 263291), (116, 172501), (133, 150452), (203, 98572), (266, 75226), (406, 49286), (532, 37613), (551, 36316), (812, 24643), (1102, 18158), (1297, 15428), (2204, 9079), (2594, 7714), (3857, 5188)]