20107966600

素因数分解:

$2^3\times 5^2\times {\mathrm{281}}^1\times {\mathrm{357793}}^1$

素因数の和:358090

約数の個数: 48

約数和(自身を含む): 46917527220

約数和(自身を除く): 26809560620

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 281, 562, 1124, 1405, 2248, 2810, 5620, 7025, 11240, 14050, 28100, 56200, 357793, 715586, 1431172, 1788965, 2862344, 3577930, 7155860, 8944825, 14311720, 17889650, 35779300, 71558600, 100539833, 201079666, 402159332, 502699165, 804318664, 1005398330, 2010796660, 2513495825, 4021593320, 5026991650, 10053983300, 20107966600]

約数ペア:

[(1, 20107966600), (2, 10053983300), (4, 5026991650), (5, 4021593320), (8, 2513495825), (10, 2010796660), (20, 1005398330), (25, 804318664), (40, 502699165), (50, 402159332), (100, 201079666), (200, 100539833), (281, 71558600), (562, 35779300), (1124, 17889650), (1405, 14311720), (2248, 8944825), (2810, 7155860), (5620, 3577930), (7025, 2862344), (11240, 1788965), (14050, 1431172), (28100, 715586), (56200, 357793)]