20879208

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{4603}}^1$

素因数の和:4628

約数の個数: 80

約数和(自身を含む): 66850080

約数和(自身を除く): 45970872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 4603, 9206, 13809, 18412, 27618, 32221, 36824, 41427, 55236, 64442, 82854, 96663, 110472, 124281, 128884, 165708, 193326, 248562, 257768, 289989, 331416, 372843, 386652, 497124, 579978, 745686, 773304, 869967, 994248, 1159956, 1491372, 1739934, 2319912, 2609901, 2982744, 3479868, 5219802, 6959736, 10439604, 20879208]

約数ペア:

[(1, 20879208), (2, 10439604), (3, 6959736), (4, 5219802), (6, 3479868), (7, 2982744), (8, 2609901), (9, 2319912), (12, 1739934), (14, 1491372), (18, 1159956), (21, 994248), (24, 869967), (27, 773304), (28, 745686), (36, 579978), (42, 497124), (54, 386652), (56, 372843), (63, 331416), (72, 289989), (81, 257768), (84, 248562), (108, 193326), (126, 165708), (162, 128884), (168, 124281), (189, 110472), (216, 96663), (252, 82854), (324, 64442), (378, 55236), (504, 41427), (567, 36824), (648, 32221), (756, 27618), (1134, 18412), (1512, 13809), (2268, 9206), (4536, 4603)]