20327410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1097}}^1$

素因数の和:1230

約数の個数: 32

約数和(自身を含む): 39132720

約数和(自身を除く): 18805310

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 218, 545, 1090, 1097, 1853, 2194, 3706, 5485, 9265, 10970, 18530, 18649, 37298, 93245, 119573, 186490, 239146, 597865, 1195730, 2032741, 4065482, 10163705, 20327410]

約数ペア:

[(1, 20327410), (2, 10163705), (5, 4065482), (10, 2032741), (17, 1195730), (34, 597865), (85, 239146), (109, 186490), (170, 119573), (218, 93245), (545, 37298), (1090, 18649), (1097, 18530), (1853, 10970), (2194, 9265), (3706, 5485)]