20410173

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 35283456

約数和(自身を除く): 14873283

約数列:

[1, 3, 7, 9, 21, 47, 61, 63, 113, 141, 183, 329, 339, 423, 427, 549, 791, 987, 1017, 1281, 2373, 2867, 2961, 3843, 5311, 6893, 7119, 8601, 15933, 20069, 20679, 25803, 37177, 47799, 48251, 60207, 62037, 111531, 144753, 180621, 323971, 334593, 434259, 971913, 2267797, 2915739, 6803391, 20410173]

約数ペア:

[(1, 20410173), (3, 6803391), (7, 2915739), (9, 2267797), (21, 971913), (47, 434259), (61, 334593), (63, 323971), (113, 180621), (141, 144753), (183, 111531), (329, 62037), (339, 60207), (423, 48251), (427, 47799), (549, 37177), (791, 25803), (987, 20679), (1017, 20069), (1281, 15933), (2373, 8601), (2867, 7119), (2961, 6893), (3843, 5311)]