20578080258

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{435847}}^1$

素因数の和:435959

約数の個数: 48

約数和(自身を含む): 46370740416

約数和(自身を除く): 25792660158

約数列:

[1, 2, 3, 6, 9, 18, 43, 61, 86, 122, 129, 183, 258, 366, 387, 549, 774, 1098, 2623, 5246, 7869, 15738, 23607, 47214, 435847, 871694, 1307541, 2615082, 3922623, 7845246, 18741421, 26586667, 37482842, 53173334, 56224263, 79760001, 112448526, 159520002, 168672789, 239280003, 337345578, 478560006, 1143226681, 2286453362, 3429680043, 6859360086, 10289040129, 20578080258]

約数ペア:

[(1, 20578080258), (2, 10289040129), (3, 6859360086), (6, 3429680043), (9, 2286453362), (18, 1143226681), (43, 478560006), (61, 337345578), (86, 239280003), (122, 168672789), (129, 159520002), (183, 112448526), (258, 79760001), (366, 56224263), (387, 53173334), (549, 37482842), (774, 26586667), (1098, 18741421), (2623, 7845246), (5246, 3922623), (7869, 2615082), (15738, 1307541), (23607, 871694), (47214, 435847)]