20792850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10663}}^1$

素因数の和:10691

約数の個数: 48

約数和(自身を含む): 55538112

約数和(自身を除く): 34745262

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10663, 21326, 31989, 53315, 63978, 106630, 138619, 159945, 266575, 277238, 319890, 415857, 533150, 693095, 799725, 831714, 1386190, 1599450, 2079285, 3465475, 4158570, 6930950, 10396425, 20792850]

約数ペア:

[(1, 20792850), (2, 10396425), (3, 6930950), (5, 4158570), (6, 3465475), (10, 2079285), (13, 1599450), (15, 1386190), (25, 831714), (26, 799725), (30, 693095), (39, 533150), (50, 415857), (65, 319890), (75, 277238), (78, 266575), (130, 159945), (150, 138619), (195, 106630), (325, 63978), (390, 53315), (650, 31989), (975, 21326), (1950, 10663)]