20974170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{99877}}^1$

素因数の和:99894

約数の個数: 32

約数和(自身を含む): 57529728

約数和(自身を除く): 36555558

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 99877, 199754, 299631, 499385, 599262, 699139, 998770, 1398278, 1498155, 2097417, 2996310, 3495695, 4194834, 6991390, 10487085, 20974170]

約数ペア:

[(1, 20974170), (2, 10487085), (3, 6991390), (5, 4194834), (6, 3495695), (7, 2996310), (10, 2097417), (14, 1498155), (15, 1398278), (21, 998770), (30, 699139), (35, 599262), (42, 499385), (70, 299631), (105, 199754), (210, 99877)]