20657952

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10247}}^1$

素因数の和:10270

約数の個数: 72

約数和(自身を含む): 67144896

約数和(自身を除く): 46486944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10247, 20494, 30741, 40988, 61482, 71729, 81976, 92223, 122964, 143458, 163952, 184446, 215187, 245928, 286916, 327904, 368892, 430374, 491856, 573832, 645561, 737784, 860748, 983712, 1147664, 1291122, 1475568, 1721496, 2295328, 2582244, 2951136, 3442992, 5164488, 6885984, 10328976, 20657952]

約数ペア:

[(1, 20657952), (2, 10328976), (3, 6885984), (4, 5164488), (6, 3442992), (7, 2951136), (8, 2582244), (9, 2295328), (12, 1721496), (14, 1475568), (16, 1291122), (18, 1147664), (21, 983712), (24, 860748), (28, 737784), (32, 645561), (36, 573832), (42, 491856), (48, 430374), (56, 368892), (63, 327904), (72, 286916), (84, 245928), (96, 215187), (112, 184446), (126, 163952), (144, 143458), (168, 122964), (224, 92223), (252, 81976), (288, 71729), (336, 61482), (504, 40988), (672, 30741), (1008, 20494), (2016, 10247)]