20556996858

素因数分解:

$2^1\times 3^3\times {\mathrm{18127}}^1\times {\mathrm{21001}}^1$

素因数の和:39139

約数の個数: 32

約数和(自身を含む): 45686910720

約数和(自身を除く): 25129913862

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 18127, 21001, 36254, 42002, 54381, 63003, 108762, 126006, 163143, 189009, 326286, 378018, 489429, 567027, 978858, 1134054, 380685127, 761370254, 1142055381, 2284110762, 3426166143, 6852332286, 10278498429, 20556996858]

約数ペア:

[(1, 20556996858), (2, 10278498429), (3, 6852332286), (6, 3426166143), (9, 2284110762), (18, 1142055381), (27, 761370254), (54, 380685127), (18127, 1134054), (21001, 978858), (36254, 567027), (42002, 489429), (54381, 378018), (63003, 326286), (108762, 189009), (126006, 163143)]