16419320020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20023561}}^1$

素因数の和:20023611

約数の個数: 24

約数和(自身を含む): 35321563368

約数和(自身を除く): 18902243348

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 20023561, 40047122, 80094244, 100117805, 200235610, 400471220, 820966001, 1641932002, 3283864004, 4104830005, 8209660010, 16419320020]

約数ペア:

[(1, 16419320020), (2, 8209660010), (4, 4104830005), (5, 3283864004), (10, 1641932002), (20, 820966001), (41, 400471220), (82, 200235610), (164, 100117805), (205, 80094244), (410, 40047122), (820, 20023561)]