20498606

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13370194

約数列:

[1, 2, 19, 38, 41, 59, 82, 118, 223, 446, 779, 1121, 1558, 2242, 2419, 4237, 4838, 8474, 9143, 13157, 18286, 26314, 45961, 91922, 173717, 249983, 347434, 499966, 539437, 1078874, 10249303, 20498606]

約数ペア:

[(1, 20498606), (2, 10249303), (19, 1078874), (38, 539437), (41, 499966), (59, 347434), (82, 249983), (118, 173717), (223, 91922), (446, 45961), (779, 26314), (1121, 18286), (1558, 13157), (2242, 9143), (2419, 8474), (4237, 4838)]