20161971780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19766639}}^1$

素因数の和:19766668

約数の個数: 48

約数和(自身を含む): 59774319360

約数和(自身を除く): 39612347580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19766639, 39533278, 59299917, 79066556, 98833195, 118599834, 197666390, 237199668, 296499585, 336032863, 395332780, 592999170, 672065726, 1008098589, 1185998340, 1344131452, 1680164315, 2016197178, 3360328630, 4032394356, 5040492945, 6720657260, 10080985890, 20161971780]

約数ペア:

[(1, 20161971780), (2, 10080985890), (3, 6720657260), (4, 5040492945), (5, 4032394356), (6, 3360328630), (10, 2016197178), (12, 1680164315), (15, 1344131452), (17, 1185998340), (20, 1008098589), (30, 672065726), (34, 592999170), (51, 395332780), (60, 336032863), (68, 296499585), (85, 237199668), (102, 197666390), (170, 118599834), (204, 98833195), (255, 79066556), (340, 59299917), (510, 39533278), (1020, 19766639)]