20728008

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13709}}^1$

素因数の和:13731

約数の個数: 64

約数和(自身を含む): 65808000

約数和(自身を除く): 45079992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13709, 27418, 41127, 54836, 82254, 95963, 109672, 123381, 164508, 191926, 246762, 287889, 329016, 370143, 383852, 493524, 575778, 740286, 767704, 863667, 987048, 1151556, 1480572, 1727334, 2303112, 2591001, 2961144, 3454668, 5182002, 6909336, 10364004, 20728008]

約数ペア:

[(1, 20728008), (2, 10364004), (3, 6909336), (4, 5182002), (6, 3454668), (7, 2961144), (8, 2591001), (9, 2303112), (12, 1727334), (14, 1480572), (18, 1151556), (21, 987048), (24, 863667), (27, 767704), (28, 740286), (36, 575778), (42, 493524), (54, 383852), (56, 370143), (63, 329016), (72, 287889), (84, 246762), (108, 191926), (126, 164508), (168, 123381), (189, 109672), (216, 95963), (252, 82254), (378, 54836), (504, 41127), (756, 27418), (1512, 13709)]