20880147178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{367}}^1\times {\mathrm{491}}^1$

素因数の和:1123

約数の個数: 64

約数和(自身を含む): 35979448320

約数和(自身を除く): 15099301142

約数列:

[1, 2, 11, 22, 23, 46, 229, 253, 367, 458, 491, 506, 734, 982, 2519, 4037, 5038, 5267, 5401, 8074, 8441, 10534, 10802, 11293, 16882, 22586, 57937, 84043, 92851, 112439, 115874, 124223, 168086, 180197, 185702, 224878, 248446, 360394, 924473, 1236829, 1848946, 1932989, 1982167, 2473658, 2586097, 3865978, 3964334, 4144531, 5172194, 8289062, 21262879, 28447067, 41265113, 42525758, 45589841, 56894134, 82530226, 91179682, 453916243, 907832486, 949097599, 1898195198, 10440073589, 20880147178]

約数ペア:

[(1, 20880147178), (2, 10440073589), (11, 1898195198), (22, 949097599), (23, 907832486), (46, 453916243), (229, 91179682), (253, 82530226), (367, 56894134), (458, 45589841), (491, 42525758), (506, 41265113), (734, 28447067), (982, 21262879), (2519, 8289062), (4037, 5172194), (5038, 4144531), (5267, 3964334), (5401, 3865978), (8074, 2586097), (8441, 2473658), (10534, 1982167), (10802, 1932989), (11293, 1848946), (16882, 1236829), (22586, 924473), (57937, 360394), (84043, 248446), (92851, 224878), (112439, 185702), (115874, 180197), (124223, 168086)]