20100442005

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{228713}}^1$

素因数の和:228768

約数の個数: 80

約数和(自身を含む): 42507869184

約数和(自身を除く): 22407427179

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 81, 93, 105, 135, 155, 189, 217, 279, 315, 405, 465, 567, 651, 837, 945, 1085, 1395, 1953, 2511, 2835, 3255, 4185, 5859, 9765, 12555, 17577, 29295, 87885, 228713, 686139, 1143565, 1600991, 2058417, 3430695, 4802973, 6175251, 7090103, 8004955, 10292085, 14408919, 18525753, 21270309, 24014865, 30876255, 35450515, 43226757, 49630721, 63810927, 72044595, 92628765, 106351545, 129680271, 148892163, 191432781, 216133785, 248153605, 319054635, 446676489, 574298343, 648401355, 744460815, 957163905, 1340029467, 2233382445, 2871491715, 4020088401, 6700147335, 20100442005]

約数ペア:

[(1, 20100442005), (3, 6700147335), (5, 4020088401), (7, 2871491715), (9, 2233382445), (15, 1340029467), (21, 957163905), (27, 744460815), (31, 648401355), (35, 574298343), (45, 446676489), (63, 319054635), (81, 248153605), (93, 216133785), (105, 191432781), (135, 148892163), (155, 129680271), (189, 106351545), (217, 92628765), (279, 72044595), (315, 63810927), (405, 49630721), (465, 43226757), (567, 35450515), (651, 30876255), (837, 24014865), (945, 21270309), (1085, 18525753), (1395, 14408919), (1953, 10292085), (2511, 8004955), (2835, 7090103), (3255, 6175251), (4185, 4802973), (5859, 3430695), (9765, 2058417), (12555, 1600991), (17577, 1143565), (29295, 686139), (87885, 228713)]