18020680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26501}}^1$

素因数の和:26529

約数の個数: 32

約数和(自身を含む): 42933240

約数和(自身を除く): 24912560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 26501, 53002, 106004, 132505, 212008, 265010, 450517, 530020, 901034, 1060040, 1802068, 2252585, 3604136, 4505170, 9010340, 18020680]

約数ペア:

[(1, 18020680), (2, 9010340), (4, 4505170), (5, 3604136), (8, 2252585), (10, 1802068), (17, 1060040), (20, 901034), (34, 530020), (40, 450517), (68, 265010), (85, 212008), (136, 132505), (170, 106004), (340, 53002), (680, 26501)]