20161225196

素因数分解:

$2^2\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{649273}}^1$

素因数の和:650393

約数の個数: 24

約数和(自身を含む): 40358871840

約数和(自身を除く): 20197646644

約数列:

[1, 2, 4, 7, 14, 28, 1109, 2218, 4436, 7763, 15526, 31052, 649273, 1298546, 2597092, 4544911, 9089822, 18179644, 720043757, 1440087514, 2880175028, 5040306299, 10080612598, 20161225196]

約数ペア:

[(1, 20161225196), (2, 10080612598), (4, 5040306299), (7, 2880175028), (14, 1440087514), (28, 720043757), (1109, 18179644), (2218, 9089822), (4436, 4544911), (7763, 2597092), (15526, 1298546), (31052, 649273)]