20172320920

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1917521}}^1$

素因数の和:1917795

約数の個数: 32

約数和(自身を含む): 45560322720

約数和(自身を除く): 25388001800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 1917521, 3835042, 7670084, 9587605, 15340168, 19175210, 38350420, 76700840, 504308023, 1008616046, 2017232092, 2521540115, 4034464184, 5043080230, 10086160460, 20172320920]

約数ペア:

[(1, 20172320920), (2, 10086160460), (4, 5043080230), (5, 4034464184), (8, 2521540115), (10, 2017232092), (20, 1008616046), (40, 504308023), (263, 76700840), (526, 38350420), (1052, 19175210), (1315, 15340168), (2104, 9587605), (2630, 7670084), (5260, 3835042), (10520, 1917521)]