20199644416

素因数分解:

$2^8\times 7^1\times {\mathrm{11272123}}^1$

素因数の和:11272146

約数の個数: 36

約数和(自身を含む): 46080442912

約数和(自身を除く): 25880798496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11272123, 22544246, 45088492, 78904861, 90176984, 157809722, 180353968, 315619444, 360707936, 631238888, 721415872, 1262477776, 1442831744, 2524955552, 2885663488, 5049911104, 10099822208, 20199644416]

約数ペア:

[(1, 20199644416), (2, 10099822208), (4, 5049911104), (7, 2885663488), (8, 2524955552), (14, 1442831744), (16, 1262477776), (28, 721415872), (32, 631238888), (56, 360707936), (64, 315619444), (112, 180353968), (128, 157809722), (224, 90176984), (256, 78904861), (448, 45088492), (896, 22544246), (1792, 11272123)]