20189366540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1\times {\mathrm{4127}}^1$

素因数の和:4647

約数の個数: 96

約数和(自身を含む): 49166659584

約数和(自身を除く): 28977293044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 421, 581, 830, 842, 1162, 1660, 1684, 2105, 2324, 2905, 2947, 4127, 4210, 5810, 5894, 8254, 8420, 11620, 11788, 14735, 16508, 20635, 28889, 29470, 34943, 41270, 57778, 58940, 69886, 82540, 115556, 139772, 144445, 174715, 244601, 288890, 342541, 349430, 489202, 577780, 685082, 698860, 978404, 1223005, 1370164, 1712705, 1737467, 2397787, 2446010, 3425410, 3474934, 4795574, 4892020, 6850820, 6949868, 8687335, 9591148, 11988935, 12162269, 17374670, 23977870, 24324538, 34749340, 47955740, 48649076, 60811345, 121622690, 144209761, 243245380, 288419522, 576839044, 721048805, 1009468327, 1442097610, 2018936654, 2884195220, 4037873308, 5047341635, 10094683270, 20189366540]

約数ペア:

[(1, 20189366540), (2, 10094683270), (4, 5047341635), (5, 4037873308), (7, 2884195220), (10, 2018936654), (14, 1442097610), (20, 1009468327), (28, 721048805), (35, 576839044), (70, 288419522), (83, 243245380), (140, 144209761), (166, 121622690), (332, 60811345), (415, 48649076), (421, 47955740), (581, 34749340), (830, 24324538), (842, 23977870), (1162, 17374670), (1660, 12162269), (1684, 11988935), (2105, 9591148), (2324, 8687335), (2905, 6949868), (2947, 6850820), (4127, 4892020), (4210, 4795574), (5810, 3474934), (5894, 3425410), (8254, 2446010), (8420, 2397787), (11620, 1737467), (11788, 1712705), (14735, 1370164), (16508, 1223005), (20635, 978404), (28889, 698860), (29470, 685082), (34943, 577780), (41270, 489202), (57778, 349430), (58940, 342541), (69886, 288890), (82540, 244601), (115556, 174715), (139772, 144445)]