20807826764

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1129}}^1\times {\mathrm{1291}}^1$

素因数の和:2550

約数の個数: 48

約数和(自身を含む): 37772085120

約数和(自身を除く): 16964258356

約数列:

[1, 2, 4, 43, 83, 86, 166, 172, 332, 1129, 1291, 2258, 2582, 3569, 4516, 5164, 7138, 14276, 48547, 55513, 93707, 97094, 107153, 111026, 187414, 194188, 214306, 222052, 374828, 428612, 1457539, 2915078, 4029401, 4607579, 5830156, 8058802, 9215158, 16117604, 18430316, 62674177, 120975737, 125348354, 241951474, 250696708, 483902948, 5201956691, 10403913382, 20807826764]

約数ペア:

[(1, 20807826764), (2, 10403913382), (4, 5201956691), (43, 483902948), (83, 250696708), (86, 241951474), (166, 125348354), (172, 120975737), (332, 62674177), (1129, 18430316), (1291, 16117604), (2258, 9215158), (2582, 8058802), (3569, 5830156), (4516, 4607579), (5164, 4029401), (7138, 2915078), (14276, 1457539), (48547, 428612), (55513, 374828), (93707, 222052), (97094, 214306), (107153, 194188), (111026, 187414)]