20512474514

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{10139}}^1$

素因数の和:10335

約数の個数: 64

約数和(自身を含む): 37660446720

約数和(自身を除く): 17147972206

約数列:

[1, 2, 7, 14, 23, 46, 61, 103, 122, 161, 206, 322, 427, 721, 854, 1403, 1442, 2369, 2806, 4738, 6283, 9821, 10139, 12566, 16583, 19642, 20278, 33166, 43981, 70973, 87962, 141946, 144509, 233197, 289018, 466394, 618479, 1011563, 1044317, 1236958, 1632379, 2023126, 2088634, 3264758, 4329353, 7310219, 8658706, 14225017, 14620438, 24019291, 28450034, 48038582, 63703337, 99575119, 127406674, 168135037, 199150238, 336270074, 445923359, 891846718, 1465176751, 2930353502, 10256237257, 20512474514]

約数ペア:

[(1, 20512474514), (2, 10256237257), (7, 2930353502), (14, 1465176751), (23, 891846718), (46, 445923359), (61, 336270074), (103, 199150238), (122, 168135037), (161, 127406674), (206, 99575119), (322, 63703337), (427, 48038582), (721, 28450034), (854, 24019291), (1403, 14620438), (1442, 14225017), (2369, 8658706), (2806, 7310219), (4738, 4329353), (6283, 3264758), (9821, 2088634), (10139, 2023126), (12566, 1632379), (16583, 1236958), (19642, 1044317), (20278, 1011563), (33166, 618479), (43981, 466394), (70973, 289018), (87962, 233197), (141946, 144509)]