20218800928

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{56009}}^1$

素因数の和:56437

約数の個数: 48

約数和(自身を含む): 41284971000

約数和(自身を除く): 21066170072

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 389, 464, 778, 928, 1556, 3112, 6224, 11281, 12448, 22562, 45124, 56009, 90248, 112018, 180496, 224036, 360992, 448072, 896144, 1624261, 1792288, 3248522, 6497044, 12994088, 21787501, 25988176, 43575002, 51976352, 87150004, 174300008, 348600016, 631837529, 697200032, 1263675058, 2527350116, 5054700232, 10109400464, 20218800928]

約数ペア:

[(1, 20218800928), (2, 10109400464), (4, 5054700232), (8, 2527350116), (16, 1263675058), (29, 697200032), (32, 631837529), (58, 348600016), (116, 174300008), (232, 87150004), (389, 51976352), (464, 43575002), (778, 25988176), (928, 21787501), (1556, 12994088), (3112, 6497044), (6224, 3248522), (11281, 1792288), (12448, 1624261), (22562, 896144), (45124, 448072), (56009, 360992), (90248, 224036), (112018, 180496)]