20188265320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{19489}}^1$

素因数の和:19595

約数の個数: 128

約数和(自身を含む): 50518080000

約数和(自身を除く): 30329814680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 47, 58, 76, 94, 95, 116, 145, 152, 188, 190, 232, 235, 290, 376, 380, 470, 551, 580, 760, 893, 940, 1102, 1160, 1363, 1786, 1880, 2204, 2726, 2755, 3572, 4408, 4465, 5452, 5510, 6815, 7144, 8930, 10904, 11020, 13630, 17860, 19489, 22040, 25897, 27260, 35720, 38978, 51794, 54520, 77956, 97445, 103588, 129485, 155912, 194890, 207176, 258970, 370291, 389780, 517940, 565181, 740582, 779560, 915983, 1035880, 1130362, 1481164, 1831966, 1851455, 2260724, 2825905, 2962328, 3663932, 3702910, 4521448, 4579915, 5651810, 7327864, 7405820, 9159830, 10738439, 11303620, 14811640, 17403677, 18319660, 21476878, 22607240, 26563507, 34807354, 36639320, 42953756, 53127014, 53692195, 69614708, 85907512, 87018385, 106254028, 107384390, 132817535, 139229416, 174036770, 212508056, 214768780, 265635070, 348073540, 429537560, 504706633, 531270140, 696147080, 1009413266, 1062540280, 2018826532, 2523533165, 4037653064, 5047066330, 10094132660, 20188265320]

約数ペア:

[(1, 20188265320), (2, 10094132660), (4, 5047066330), (5, 4037653064), (8, 2523533165), (10, 2018826532), (19, 1062540280), (20, 1009413266), (29, 696147080), (38, 531270140), (40, 504706633), (47, 429537560), (58, 348073540), (76, 265635070), (94, 214768780), (95, 212508056), (116, 174036770), (145, 139229416), (152, 132817535), (188, 107384390), (190, 106254028), (232, 87018385), (235, 85907512), (290, 69614708), (376, 53692195), (380, 53127014), (470, 42953756), (551, 36639320), (580, 34807354), (760, 26563507), (893, 22607240), (940, 21476878), (1102, 18319660), (1160, 17403677), (1363, 14811640), (1786, 11303620), (1880, 10738439), (2204, 9159830), (2726, 7405820), (2755, 7327864), (3572, 5651810), (4408, 4579915), (4465, 4521448), (5452, 3702910), (5510, 3663932), (6815, 2962328), (7144, 2825905), (8930, 2260724), (10904, 1851455), (11020, 1831966), (13630, 1481164), (17860, 1130362), (19489, 1035880), (22040, 915983), (25897, 779560), (27260, 740582), (35720, 565181), (38978, 517940), (51794, 389780), (54520, 370291), (77956, 258970), (97445, 207176), (103588, 194890), (129485, 155912)]