20122550920

素因数分解:

$2^3\times 5^1\times {\mathrm{2903}}^1\times {\mathrm{173291}}^1$

素因数の和:176205

約数の個数: 32

約数和(自身を含む): 45291597120

約数和(自身を除く): 25169046200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2903, 5806, 11612, 14515, 23224, 29030, 58060, 116120, 173291, 346582, 693164, 866455, 1386328, 1732910, 3465820, 6931640, 503063773, 1006127546, 2012255092, 2515318865, 4024510184, 5030637730, 10061275460, 20122550920]

約数ペア:

[(1, 20122550920), (2, 10061275460), (4, 5030637730), (5, 4024510184), (8, 2515318865), (10, 2012255092), (20, 1006127546), (40, 503063773), (2903, 6931640), (5806, 3465820), (11612, 1732910), (14515, 1386328), (23224, 866455), (29030, 693164), (58060, 346582), (116120, 173291)]