20672068

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2789}}^1$

素因数の和:2919

約数の個数: 24

約数和(自身を含む): 38669400

約数和(自身を除く): 17997332

約数列:

[1, 2, 4, 17, 34, 68, 109, 218, 436, 1853, 2789, 3706, 5578, 7412, 11156, 47413, 94826, 189652, 304001, 608002, 1216004, 5168017, 10336034, 20672068]

約数ペア:

[(1, 20672068), (2, 10336034), (4, 5168017), (17, 1216004), (34, 608002), (68, 304001), (109, 189652), (218, 94826), (436, 47413), (1853, 11156), (2789, 7412), (3706, 5578)]