20055142821

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{5233}}^1$

素因数の和:5339

約数の個数: 72

約数和(自身を含む): 33261106944

約数和(自身を除く): 13205964123

約数列:

[1, 3, 7, 21, 29, 31, 49, 87, 93, 147, 203, 217, 609, 651, 841, 899, 1421, 1519, 2523, 2697, 4263, 4557, 5233, 5887, 6293, 15699, 17661, 18879, 26071, 36631, 41209, 44051, 78213, 109893, 123627, 132153, 151757, 162223, 182497, 256417, 455271, 486669, 547491, 769251, 1062299, 1135561, 1277479, 3186897, 3406683, 3832437, 4400953, 4704467, 7436093, 7948927, 13202859, 14113401, 22308279, 23846781, 30806671, 32931269, 92420013, 98793807, 136429543, 215646697, 230518883, 409288629, 646940091, 691556649, 955006801, 2865020403, 6685047607, 20055142821]

約数ペア:

[(1, 20055142821), (3, 6685047607), (7, 2865020403), (21, 955006801), (29, 691556649), (31, 646940091), (49, 409288629), (87, 230518883), (93, 215646697), (147, 136429543), (203, 98793807), (217, 92420013), (609, 32931269), (651, 30806671), (841, 23846781), (899, 22308279), (1421, 14113401), (1519, 13202859), (2523, 7948927), (2697, 7436093), (4263, 4704467), (4557, 4400953), (5233, 3832437), (5887, 3406683), (6293, 3186897), (15699, 1277479), (17661, 1135561), (18879, 1062299), (26071, 769251), (36631, 547491), (41209, 486669), (44051, 455271), (78213, 256417), (109893, 182497), (123627, 162223), (132153, 151757)]