20175278620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20587019}}^1$

素因数の和:20587042

約数の個数: 36

約数和(自身を含む): 49285325880

約数和(自身を除く): 29110047260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20587019, 41174038, 82348076, 102935095, 144109133, 205870190, 288218266, 411740380, 576436532, 720545665, 1008763931, 1441091330, 2017527862, 2882182660, 4035055724, 5043819655, 10087639310, 20175278620]

約数ペア:

[(1, 20175278620), (2, 10087639310), (4, 5043819655), (5, 4035055724), (7, 2882182660), (10, 2017527862), (14, 1441091330), (20, 1008763931), (28, 720545665), (35, 576436532), (49, 411740380), (70, 288218266), (98, 205870190), (140, 144109133), (196, 102935095), (245, 82348076), (490, 41174038), (980, 20587019)]