20388868996

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{643}}^1\times {\mathrm{72727}}^1$

素因数の和:73483

約数の個数: 24

約数和(自身を含む): 36064360640

約数和(自身を除く): 15675491644

約数列:

[1, 2, 4, 109, 218, 436, 643, 1286, 2572, 70087, 72727, 140174, 145454, 280348, 290908, 7927243, 15854486, 31708972, 46763461, 93526922, 187053844, 5097217249, 10194434498, 20388868996]

約数ペア:

[(1, 20388868996), (2, 10194434498), (4, 5097217249), (109, 187053844), (218, 93526922), (436, 46763461), (643, 31708972), (1286, 15854486), (2572, 7927243), (70087, 290908), (72727, 280348), (140174, 145454)]