20784546

素因数分解:

$2^1\times 3^3\times {\mathrm{151}}^1\times {\mathrm{2549}}^1$

素因数の和:2711

約数の個数: 32

約数和(自身を含む): 46512000

約数和(自身を除く): 25727454

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 151, 302, 453, 906, 1359, 2549, 2718, 4077, 5098, 7647, 8154, 15294, 22941, 45882, 68823, 137646, 384899, 769798, 1154697, 2309394, 3464091, 6928182, 10392273, 20784546]

約数ペア:

[(1, 20784546), (2, 10392273), (3, 6928182), (6, 3464091), (9, 2309394), (18, 1154697), (27, 769798), (54, 384899), (151, 137646), (302, 68823), (453, 45882), (906, 22941), (1359, 15294), (2549, 8154), (2718, 7647), (4077, 5098)]