20750492

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12149}}^1$

素因数の和:12221

約数の個数: 24

約数和(自身を含む): 42184800

約数和(自身を除く): 21434308

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 12149, 24298, 48596, 85043, 170086, 340172, 741089, 1482178, 2964356, 5187623, 10375246, 20750492]

約数ペア:

[(1, 20750492), (2, 10375246), (4, 5187623), (7, 2964356), (14, 1482178), (28, 741089), (61, 340172), (122, 170086), (244, 85043), (427, 48596), (854, 24298), (1708, 12149)]