20650112

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1253

約数の個数: 64

約数和(自身を含む): 49531200

約数和(自身を除く): 28881088

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 266, 304, 448, 532, 608, 896, 1064, 1213, 1216, 2128, 2426, 2432, 4256, 4852, 8491, 8512, 9704, 16982, 17024, 19408, 23047, 33964, 38816, 46094, 67928, 77632, 92188, 135856, 155264, 161329, 184376, 271712, 322658, 368752, 543424, 645316, 737504, 1086848, 1290632, 1475008, 2581264, 2950016, 5162528, 10325056, 20650112]

約数ペア:

[(1, 20650112), (2, 10325056), (4, 5162528), (7, 2950016), (8, 2581264), (14, 1475008), (16, 1290632), (19, 1086848), (28, 737504), (32, 645316), (38, 543424), (56, 368752), (64, 322658), (76, 271712), (112, 184376), (128, 161329), (133, 155264), (152, 135856), (224, 92188), (266, 77632), (304, 67928), (448, 46094), (532, 38816), (608, 33964), (896, 23047), (1064, 19408), (1213, 17024), (1216, 16982), (2128, 9704), (2426, 8512), (2432, 8491), (4256, 4852)]