20455827

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18379}}^1$

素因数の和:18442

約数の個数: 16

約数和(自身を含む): 31760640

約数和(自身を除く): 11304813

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18379, 55137, 128653, 385959, 974087, 2922261, 6818609, 20455827]

約数ペア:

[(1, 20455827), (3, 6818609), (7, 2922261), (21, 974087), (53, 385959), (159, 128653), (371, 55137), (1113, 18379)]