20054965

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3559}}^1$

素因数の和:3601

約数の個数: 24

約数和(自身を含む): 29220480

約数和(自身を除く): 9165515

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 3559, 5635, 17795, 24913, 81857, 124565, 174391, 409285, 572999, 871955, 2864995, 4010993, 20054965]

約数ペア:

[(1, 20054965), (5, 4010993), (7, 2864995), (23, 871955), (35, 572999), (49, 409285), (115, 174391), (161, 124565), (245, 81857), (805, 24913), (1127, 17795), (3559, 5635)]