20145438

素因数分解:

$2^1\times 3^2\times {\mathrm{401}}^1\times {\mathrm{2791}}^1$

素因数の和:3200

約数の個数: 24

約数和(自身を含む): 43772976

約数和(自身を除く): 23627538

約数列:

[1, 2, 3, 6, 9, 18, 401, 802, 1203, 2406, 2791, 3609, 5582, 7218, 8373, 16746, 25119, 50238, 1119191, 2238382, 3357573, 6715146, 10072719, 20145438]

約数ペア:

[(1, 20145438), (2, 10072719), (3, 6715146), (6, 3357573), (9, 2238382), (18, 1119191), (401, 50238), (802, 25119), (1203, 16746), (2406, 8373), (2791, 7218), (3609, 5582)]