20489868

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27103}}^1$

素因数の和:27123

約数の個数: 48

約数和(自身を含む): 60712960

約数和(自身を除く): 40223092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27103, 54206, 81309, 108412, 162618, 189721, 243927, 325236, 379442, 487854, 569163, 731781, 758884, 975708, 1138326, 1463562, 1707489, 2276652, 2927124, 3414978, 5122467, 6829956, 10244934, 20489868]

約数ペア:

[(1, 20489868), (2, 10244934), (3, 6829956), (4, 5122467), (6, 3414978), (7, 2927124), (9, 2276652), (12, 1707489), (14, 1463562), (18, 1138326), (21, 975708), (27, 758884), (28, 731781), (36, 569163), (42, 487854), (54, 379442), (63, 325236), (84, 243927), (108, 189721), (126, 162618), (189, 108412), (252, 81309), (378, 54206), (756, 27103)]