20218926

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1993

約数の個数: 64

約数和(自身を含む): 52416000

約数和(自身を除く): 32197074

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 1949, 3458, 3898, 5187, 5847, 10374, 11694, 13643, 25337, 27286, 37031, 40929, 50674, 74062, 76011, 81858, 111093, 152022, 177359, 222186, 259217, 354718, 481403, 518434, 532077, 777651, 962806, 1064154, 1444209, 1555302, 2888418, 3369821, 6739642, 10109463, 20218926]

約数ペア:

[(1, 20218926), (2, 10109463), (3, 6739642), (6, 3369821), (7, 2888418), (13, 1555302), (14, 1444209), (19, 1064154), (21, 962806), (26, 777651), (38, 532077), (39, 518434), (42, 481403), (57, 354718), (78, 259217), (91, 222186), (114, 177359), (133, 152022), (182, 111093), (247, 81858), (266, 76011), (273, 74062), (399, 50674), (494, 40929), (546, 37031), (741, 27286), (798, 25337), (1482, 13643), (1729, 11694), (1949, 10374), (3458, 5847), (3898, 5187)]