20217181260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1\times {\mathrm{5479}}^1$

素因数の和:6271

約数の個数: 96

約数和(自身を含む): 57337459200

約数和(自身を除く): 37120277940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 691, 890, 1068, 1335, 1382, 1780, 2073, 2670, 2764, 3455, 4146, 5340, 5479, 6910, 8292, 10365, 10958, 13820, 16437, 20730, 21916, 27395, 32874, 41460, 54790, 61499, 65748, 82185, 109580, 122998, 164370, 184497, 245996, 307495, 328740, 368994, 487631, 614990, 737988, 922485, 975262, 1229980, 1462893, 1844970, 1950524, 2438155, 2925786, 3689940, 3785989, 4876310, 5851572, 7314465, 7571978, 9752620, 11357967, 14628930, 15143956, 18929945, 22715934, 29257860, 37859890, 45431868, 56789835, 75719780, 113579670, 227159340, 336953021, 673906042, 1010859063, 1347812084, 1684765105, 2021718126, 3369530210, 4043436252, 5054295315, 6739060420, 10108590630, 20217181260]

約数ペア:

[(1, 20217181260), (2, 10108590630), (3, 6739060420), (4, 5054295315), (5, 4043436252), (6, 3369530210), (10, 2021718126), (12, 1684765105), (15, 1347812084), (20, 1010859063), (30, 673906042), (60, 336953021), (89, 227159340), (178, 113579670), (267, 75719780), (356, 56789835), (445, 45431868), (534, 37859890), (691, 29257860), (890, 22715934), (1068, 18929945), (1335, 15143956), (1382, 14628930), (1780, 11357967), (2073, 9752620), (2670, 7571978), (2764, 7314465), (3455, 5851572), (4146, 4876310), (5340, 3785989), (5479, 3689940), (6910, 2925786), (8292, 2438155), (10365, 1950524), (10958, 1844970), (13820, 1462893), (16437, 1229980), (20730, 975262), (21916, 922485), (27395, 737988), (32874, 614990), (41460, 487631), (54790, 368994), (61499, 328740), (65748, 307495), (82185, 245996), (109580, 184497), (122998, 164370)]