20176992052

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1117}}^1\times {\mathrm{4007}}^1$

素因数の和:5165

約数の個数: 72

約数和(自身を含む): 42909519744

約数和(自身を除く): 22732527692

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1117, 1127, 2234, 2254, 4007, 4468, 4508, 7819, 8014, 15638, 16028, 25691, 28049, 31276, 51382, 54733, 56098, 92161, 102764, 109466, 112196, 179837, 184322, 196343, 218932, 359674, 368644, 392686, 645127, 719348, 785372, 1258859, 1290254, 2517718, 2580508, 4475819, 4515889, 5035436, 8951638, 9031778, 17903276, 18063556, 31330733, 62661466, 102943837, 125322932, 205887674, 219315131, 411775348, 438630262, 720606859, 877260524, 1441213718, 2882427436, 5044248013, 10088496026, 20176992052]

約数ペア:

[(1, 20176992052), (2, 10088496026), (4, 5044248013), (7, 2882427436), (14, 1441213718), (23, 877260524), (28, 720606859), (46, 438630262), (49, 411775348), (92, 219315131), (98, 205887674), (161, 125322932), (196, 102943837), (322, 62661466), (644, 31330733), (1117, 18063556), (1127, 17903276), (2234, 9031778), (2254, 8951638), (4007, 5035436), (4468, 4515889), (4508, 4475819), (7819, 2580508), (8014, 2517718), (15638, 1290254), (16028, 1258859), (25691, 785372), (28049, 719348), (31276, 645127), (51382, 392686), (54733, 368644), (56098, 359674), (92161, 218932), (102764, 196343), (109466, 184322), (112196, 179837)]