20228821808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{108907}}^1$

素因数の和:108994

約数の個数: 80

約数和(自身を含む): 45375429120

約数和(自身を除く): 25146607312

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 47, 52, 76, 94, 104, 152, 188, 208, 247, 304, 376, 494, 611, 752, 893, 988, 1222, 1786, 1976, 2444, 3572, 3952, 4888, 7144, 9776, 11609, 14288, 23218, 46436, 92872, 108907, 185744, 217814, 435628, 871256, 1415791, 1742512, 2069233, 2831582, 4138466, 5118629, 5663164, 8276932, 10237258, 11326328, 16553864, 20474516, 22652656, 26900029, 33107728, 40949032, 53800058, 66542177, 81898064, 97253951, 107600116, 133084354, 194507902, 215200232, 266168708, 389015804, 430400464, 532337416, 778031608, 1064674832, 1264301363, 1556063216, 2528602726, 5057205452, 10114410904, 20228821808]

約数ペア:

[(1, 20228821808), (2, 10114410904), (4, 5057205452), (8, 2528602726), (13, 1556063216), (16, 1264301363), (19, 1064674832), (26, 778031608), (38, 532337416), (47, 430400464), (52, 389015804), (76, 266168708), (94, 215200232), (104, 194507902), (152, 133084354), (188, 107600116), (208, 97253951), (247, 81898064), (304, 66542177), (376, 53800058), (494, 40949032), (611, 33107728), (752, 26900029), (893, 22652656), (988, 20474516), (1222, 16553864), (1786, 11326328), (1976, 10237258), (2444, 8276932), (3572, 5663164), (3952, 5118629), (4888, 4138466), (7144, 2831582), (9776, 2069233), (11609, 1742512), (14288, 1415791), (23218, 871256), (46436, 435628), (92872, 217814), (108907, 185744)]