20550178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2389}}^1$

素因数の和:2442

約数の個数: 32

約数和(自身を含む): 37169280

約数和(自身を除く): 16619102

約数列:

[1, 2, 11, 17, 22, 23, 34, 46, 187, 253, 374, 391, 506, 782, 2389, 4301, 4778, 8602, 26279, 40613, 52558, 54947, 81226, 109894, 446743, 604417, 893486, 934099, 1208834, 1868198, 10275089, 20550178]

約数ペア:

[(1, 20550178), (2, 10275089), (11, 1868198), (17, 1208834), (22, 934099), (23, 893486), (34, 604417), (46, 446743), (187, 109894), (253, 81226), (374, 54947), (391, 52558), (506, 40613), (782, 26279), (2389, 8602), (4301, 4778)]