20145282021

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{1213}}^1\times {\mathrm{80231}}^1$

素因数の和:81473

約数の個数: 24

約数和(自身を含む): 30389314176

約数和(自身を除く): 10244032155

約数列:

[1, 3, 9, 23, 69, 207, 1213, 3639, 10917, 27899, 80231, 83697, 240693, 251091, 722079, 1845313, 5535939, 16607817, 97320203, 291960609, 875881827, 2238364669, 6715094007, 20145282021]

約数ペア:

[(1, 20145282021), (3, 6715094007), (9, 2238364669), (23, 875881827), (69, 291960609), (207, 97320203), (1213, 16607817), (3639, 5535939), (10917, 1845313), (27899, 722079), (80231, 251091), (83697, 240693)]