20786074100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{994549}}^1$

素因数の和:994593

約数の個数: 72

約数和(自身を含む): 51796164000

約数和(自身を除く): 31010089900

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1900, 2090, 4180, 5225, 10450, 20900, 994549, 1989098, 3978196, 4972745, 9945490, 10940039, 18896431, 19890980, 21880078, 24863725, 37792862, 43760156, 49727450, 54700195, 75585724, 94482155, 99454900, 109400390, 188964310, 207860741, 218800780, 273500975, 377928620, 415721482, 472410775, 547001950, 831442964, 944821550, 1039303705, 1094003900, 1889643100, 2078607410, 4157214820, 5196518525, 10393037050, 20786074100]

約数ペア:

[(1, 20786074100), (2, 10393037050), (4, 5196518525), (5, 4157214820), (10, 2078607410), (11, 1889643100), (19, 1094003900), (20, 1039303705), (22, 944821550), (25, 831442964), (38, 547001950), (44, 472410775), (50, 415721482), (55, 377928620), (76, 273500975), (95, 218800780), (100, 207860741), (110, 188964310), (190, 109400390), (209, 99454900), (220, 94482155), (275, 75585724), (380, 54700195), (418, 49727450), (475, 43760156), (550, 37792862), (836, 24863725), (950, 21880078), (1045, 19890980), (1100, 18896431), (1900, 10940039), (2090, 9945490), (4180, 4972745), (5225, 3978196), (10450, 1989098), (20900, 994549)]