20402520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170021}}^1$

素因数の和:170035

約数の個数: 32

約数和(自身を含む): 61207920

約数和(自身を除く): 40805400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170021, 340042, 510063, 680084, 850105, 1020126, 1360168, 1700210, 2040252, 2550315, 3400420, 4080504, 5100630, 6800840, 10201260, 20402520]

約数ペア:

[(1, 20402520), (2, 10201260), (3, 6800840), (4, 5100630), (5, 4080504), (6, 3400420), (8, 2550315), (10, 2040252), (12, 1700210), (15, 1360168), (20, 1020126), (24, 850105), (30, 680084), (40, 510063), (60, 340042), (120, 170021)]