20605944

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 54109440

約数和(自身を除く): 33503496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 43, 82, 86, 123, 129, 164, 172, 246, 258, 328, 344, 487, 492, 516, 974, 984, 1032, 1461, 1763, 1948, 2922, 3526, 3896, 5289, 5844, 7052, 10578, 11688, 14104, 19967, 20941, 21156, 39934, 41882, 42312, 59901, 62823, 79868, 83764, 119802, 125646, 159736, 167528, 239604, 251292, 479208, 502584, 858581, 1717162, 2575743, 3434324, 5151486, 6868648, 10302972, 20605944]

約数ペア:

[(1, 20605944), (2, 10302972), (3, 6868648), (4, 5151486), (6, 3434324), (8, 2575743), (12, 1717162), (24, 858581), (41, 502584), (43, 479208), (82, 251292), (86, 239604), (123, 167528), (129, 159736), (164, 125646), (172, 119802), (246, 83764), (258, 79868), (328, 62823), (344, 59901), (487, 42312), (492, 41882), (516, 39934), (974, 21156), (984, 20941), (1032, 19967), (1461, 14104), (1763, 11688), (1948, 10578), (2922, 7052), (3526, 5844), (3896, 5289)]