20213105535

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64168589}}^1$

素因数の和:64168607

約数の個数: 24

約数和(自身を含む): 40041200160

約数和(自身を除く): 19828094625

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64168589, 192505767, 320842945, 449180123, 577517301, 962528835, 1347540369, 2245900615, 2887586505, 4042621107, 6737701845, 20213105535]

約数ペア:

[(1, 20213105535), (3, 6737701845), (5, 4042621107), (7, 2887586505), (9, 2245900615), (15, 1347540369), (21, 962528835), (35, 577517301), (45, 449180123), (63, 320842945), (105, 192505767), (315, 64168589)]