20458080916

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56203519}}^1$

素因数の和:56203543

約数の個数: 24

約数和(自身を含む): 44063559680

約数和(自身を除く): 23605478764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56203519, 112407038, 224814076, 393424633, 730645747, 786849266, 1461291494, 1573698532, 2922582988, 5114520229, 10229040458, 20458080916]

約数ペア:

[(1, 20458080916), (2, 10229040458), (4, 5114520229), (7, 2922582988), (13, 1573698532), (14, 1461291494), (26, 786849266), (28, 730645747), (52, 393424633), (91, 224814076), (182, 112407038), (364, 56203519)]