206657980

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{16747}}^1$

素因数の和:17373

約数の個数: 24

約数和(自身を含む): 434711088

約数和(自身を除く): 228053108

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170, 12340, 16747, 33494, 66988, 83735, 167470, 334940, 10332899, 20665798, 41331596, 51664495, 103328990, 206657980]

約数ペア:

[(1, 206657980), (2, 103328990), (4, 51664495), (5, 41331596), (10, 20665798), (20, 10332899), (617, 334940), (1234, 167470), (2468, 83735), (3085, 66988), (6170, 33494), (12340, 16747)]