20055035

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4007}}^1$

素因数の和:4043

約数の個数: 32

約数和(自身を含む): 32320512

約数和(自身を除く): 12265477

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 4007, 5005, 20035, 28049, 44077, 52091, 140245, 220385, 260455, 308539, 364637, 573001, 1542695, 1823185, 2865005, 4011007, 20055035]

約数ペア:

[(1, 20055035), (5, 4011007), (7, 2865005), (11, 1823185), (13, 1542695), (35, 573001), (55, 364637), (65, 308539), (77, 260455), (91, 220385), (143, 140245), (385, 52091), (455, 44077), (715, 28049), (1001, 20035), (4007, 5005)]