20337272

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 39544320

約数和(自身を除く): 19207048

約数列:

[1, 2, 4, 8, 37, 74, 127, 148, 254, 296, 508, 541, 1016, 1082, 2164, 4328, 4699, 9398, 18796, 20017, 37592, 40034, 68707, 80068, 137414, 160136, 274828, 549656, 2542159, 5084318, 10168636, 20337272]

約数ペア:

[(1, 20337272), (2, 10168636), (4, 5084318), (8, 2542159), (37, 549656), (74, 274828), (127, 160136), (148, 137414), (254, 80068), (296, 68707), (508, 40034), (541, 37592), (1016, 20017), (1082, 18796), (2164, 9398), (4328, 4699)]