20178848668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4207433}}^1$

素因数の和:4207557

約数の個数: 24

約数和(自身を含む): 38876690160

約数和(自身を除く): 18697841492

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4796, 4207433, 8414866, 16829732, 46281763, 92563526, 185127052, 458610197, 917220394, 1834440788, 5044712167, 10089424334, 20178848668]

約数ペア:

[(1, 20178848668), (2, 10089424334), (4, 5044712167), (11, 1834440788), (22, 917220394), (44, 458610197), (109, 185127052), (218, 92563526), (436, 46281763), (1199, 16829732), (2398, 8414866), (4796, 4207433)]