20212777725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2264737}}^1$

素因数の和:2264774

約数の個数: 48

約数和(自身を含む): 40439161728

約数和(自身を除く): 20226384003

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1785, 2975, 8925, 2264737, 6794211, 11323685, 15853159, 33971055, 38500529, 47559477, 56618425, 79265795, 115501587, 169855275, 192502645, 237797385, 269503703, 396328975, 577507935, 808511109, 962513225, 1188986925, 1347518515, 2887539675, 4042555545, 6737592575, 20212777725]

約数ペア:

[(1, 20212777725), (3, 6737592575), (5, 4042555545), (7, 2887539675), (15, 1347518515), (17, 1188986925), (21, 962513225), (25, 808511109), (35, 577507935), (51, 396328975), (75, 269503703), (85, 237797385), (105, 192502645), (119, 169855275), (175, 115501587), (255, 79265795), (357, 56618425), (425, 47559477), (525, 38500529), (595, 33971055), (1275, 15853159), (1785, 11323685), (2975, 6794211), (8925, 2264737)]