20404713165

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{164309}}^1$

素因数の和:164821

約数の個数: 32

約数和(自身を含む): 34639176960

約数和(自身を除く): 14234463795

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 487, 1461, 2435, 7305, 8279, 24837, 41395, 124185, 164309, 492927, 821545, 2464635, 2793253, 8379759, 13966265, 41898795, 80018483, 240055449, 400092415, 1200277245, 1360314211, 4080942633, 6801571055, 20404713165]

約数ペア:

[(1, 20404713165), (3, 6801571055), (5, 4080942633), (15, 1360314211), (17, 1200277245), (51, 400092415), (85, 240055449), (255, 80018483), (487, 41898795), (1461, 13966265), (2435, 8379759), (7305, 2793253), (8279, 2464635), (24837, 821545), (41395, 492927), (124185, 164309)]