20021810

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 37748592

約数和(自身を除く): 17726782

約数列:

[1, 2, 5, 10, 37, 53, 74, 106, 185, 265, 370, 530, 1021, 1961, 2042, 3922, 5105, 9805, 10210, 19610, 37777, 54113, 75554, 108226, 188885, 270565, 377770, 541130, 2002181, 4004362, 10010905, 20021810]

約数ペア:

[(1, 20021810), (2, 10010905), (5, 4004362), (10, 2002181), (37, 541130), (53, 377770), (74, 270565), (106, 188885), (185, 108226), (265, 75554), (370, 54113), (530, 37777), (1021, 19610), (1961, 10210), (2042, 9805), (3922, 5105)]