20045603940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{697481}}^1$

素因数の和:697972

約数の個数: 48

約数和(自身を含む): 56244948480

約数和(自身を除く): 36199344540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 479, 958, 1437, 1916, 2395, 2874, 4790, 5748, 7185, 9580, 14370, 28740, 697481, 1394962, 2092443, 2789924, 3487405, 4184886, 6974810, 8369772, 10462215, 13949620, 20924430, 41848860, 334093399, 668186798, 1002280197, 1336373596, 1670466995, 2004560394, 3340933990, 4009120788, 5011400985, 6681867980, 10022801970, 20045603940]

約数ペア:

[(1, 20045603940), (2, 10022801970), (3, 6681867980), (4, 5011400985), (5, 4009120788), (6, 3340933990), (10, 2004560394), (12, 1670466995), (15, 1336373596), (20, 1002280197), (30, 668186798), (60, 334093399), (479, 41848860), (958, 20924430), (1437, 13949620), (1916, 10462215), (2395, 8369772), (2874, 6974810), (4790, 4184886), (5748, 3487405), (7185, 2789924), (9580, 2092443), (14370, 1394962), (28740, 697481)]