20613990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1021}}^1$

素因数の和:1704

約数の個数: 32

約数和(自身を含む): 49595616

約数和(自身を除く): 28981626

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 673, 1021, 1346, 2019, 2042, 3063, 3365, 4038, 5105, 6126, 6730, 10095, 10210, 15315, 20190, 30630, 687133, 1374266, 2061399, 3435665, 4122798, 6871330, 10306995, 20613990]

約数ペア:

[(1, 20613990), (2, 10306995), (3, 6871330), (5, 4122798), (6, 3435665), (10, 2061399), (15, 1374266), (30, 687133), (673, 30630), (1021, 20190), (1346, 15315), (2019, 10210), (2042, 10095), (3063, 6730), (3365, 6126), (4038, 5105)]