20887950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1063}}^1$

素因数の和:1209

約数の個数: 48

約数和(自身を含む): 52246656

約数和(自身を除く): 31358706

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 131, 150, 262, 393, 655, 786, 1063, 1310, 1965, 2126, 3189, 3275, 3930, 5315, 6378, 6550, 9825, 10630, 15945, 19650, 26575, 31890, 53150, 79725, 139253, 159450, 278506, 417759, 696265, 835518, 1392530, 2088795, 3481325, 4177590, 6962650, 10443975, 20887950]

約数ペア:

[(1, 20887950), (2, 10443975), (3, 6962650), (5, 4177590), (6, 3481325), (10, 2088795), (15, 1392530), (25, 835518), (30, 696265), (50, 417759), (75, 278506), (131, 159450), (150, 139253), (262, 79725), (393, 53150), (655, 31890), (786, 26575), (1063, 19650), (1310, 15945), (1965, 10630), (2126, 9825), (3189, 6550), (3275, 6378), (3930, 5315)]