20502475

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1483}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 29442560

約数和(自身を除く): 8940085

約数列:

[1, 5, 7, 25, 35, 79, 175, 395, 553, 1483, 1975, 2765, 7415, 10381, 13825, 37075, 51905, 117157, 259525, 585785, 820099, 2928925, 4100495, 20502475]

約数ペア:

[(1, 20502475), (5, 4100495), (7, 2928925), (25, 820099), (35, 585785), (79, 259525), (175, 117157), (395, 51905), (553, 37075), (1483, 13825), (1975, 10381), (2765, 7415)]