20355213892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{27197}}^1$

素因数の和:27640

約数の個数: 48

約数和(自身を含む): 39501287280

約数和(自身を除く): 19146073388

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 389, 481, 778, 962, 1556, 1924, 5057, 10114, 14393, 20228, 27197, 28786, 54394, 57572, 108788, 187109, 353561, 374218, 707122, 748436, 1006289, 1414244, 2012578, 4025156, 10579633, 13081757, 21159266, 26163514, 42318532, 52327028, 137535229, 275070458, 391446421, 550140916, 782892842, 1565785684, 5088803473, 10177606946, 20355213892]

約数ペア:

[(1, 20355213892), (2, 10177606946), (4, 5088803473), (13, 1565785684), (26, 782892842), (37, 550140916), (52, 391446421), (74, 275070458), (148, 137535229), (389, 52327028), (481, 42318532), (778, 26163514), (962, 21159266), (1556, 13081757), (1924, 10579633), (5057, 4025156), (10114, 2012578), (14393, 1414244), (20228, 1006289), (27197, 748436), (28786, 707122), (54394, 374218), (57572, 353561), (108788, 187109)]