20219262

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{709}}^1$

素因数の和:825

約数の個数: 48

約数和(自身を含む): 47592720

約数和(自身を除く): 27373458

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 97, 98, 147, 194, 291, 294, 582, 679, 709, 1358, 1418, 2037, 2127, 4074, 4254, 4753, 4963, 9506, 9926, 14259, 14889, 28518, 29778, 34741, 68773, 69482, 104223, 137546, 206319, 208446, 412638, 481411, 962822, 1444233, 2888466, 3369877, 6739754, 10109631, 20219262]

約数ペア:

[(1, 20219262), (2, 10109631), (3, 6739754), (6, 3369877), (7, 2888466), (14, 1444233), (21, 962822), (42, 481411), (49, 412638), (97, 208446), (98, 206319), (147, 137546), (194, 104223), (291, 69482), (294, 68773), (582, 34741), (679, 29778), (709, 28518), (1358, 14889), (1418, 14259), (2037, 9926), (2127, 9506), (4074, 4963), (4254, 4753)]