20221785311

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{13217}}^1$

素因数の和:13320

約数の個数: 64

約数和(自身を含む): 28139747328

約数和(自身を除く): 7917962017

約数列:

[1, 7, 13, 17, 23, 43, 91, 119, 161, 221, 299, 301, 391, 559, 731, 989, 1547, 2093, 2737, 3913, 5083, 5117, 6923, 9503, 12857, 13217, 16813, 35581, 66521, 89999, 92519, 117691, 171821, 218569, 224689, 303991, 568331, 1202747, 1529983, 1572823, 2127937, 2920957, 3951883, 3978317, 5167847, 7388303, 9661627, 13071613, 20446699, 27663181, 36174929, 51718121, 67182011, 67631389, 91501291, 125601151, 169930969, 222217421, 470274077, 879208057, 1189516783, 1555521947, 2888826473, 20221785311]

約数ペア:

[(1, 20221785311), (7, 2888826473), (13, 1555521947), (17, 1189516783), (23, 879208057), (43, 470274077), (91, 222217421), (119, 169930969), (161, 125601151), (221, 91501291), (299, 67631389), (301, 67182011), (391, 51718121), (559, 36174929), (731, 27663181), (989, 20446699), (1547, 13071613), (2093, 9661627), (2737, 7388303), (3913, 5167847), (5083, 3978317), (5117, 3951883), (6923, 2920957), (9503, 2127937), (12857, 1572823), (13217, 1529983), (16813, 1202747), (35581, 568331), (66521, 303991), (89999, 224689), (92519, 218569), (117691, 171821)]