17319220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21121}}^1$

素因数の和:21171

約数の個数: 24

約数和(自身を含む): 37259208

約数和(自身を除く): 19939988

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 21121, 42242, 84484, 105605, 211210, 422420, 865961, 1731922, 3463844, 4329805, 8659610, 17319220]

約数ペア:

[(1, 17319220), (2, 8659610), (4, 4329805), (5, 3463844), (10, 1731922), (20, 865961), (41, 422420), (82, 211210), (164, 105605), (205, 84484), (410, 42242), (820, 21121)]