20987326864

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6044737}}^1$

素因数の和:6044783

約数の個数: 40

約数和(自身を含む): 47971040768

約数和(自身を除く): 26983713904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6044737, 12089474, 24178948, 42313159, 48357896, 84626318, 96715792, 169252636, 187386847, 338505272, 374773694, 677010544, 749547388, 1311707929, 1499094776, 2623415858, 2998189552, 5246831716, 10493663432, 20987326864]

約数ペア:

[(1, 20987326864), (2, 10493663432), (4, 5246831716), (7, 2998189552), (8, 2623415858), (14, 1499094776), (16, 1311707929), (28, 749547388), (31, 677010544), (56, 374773694), (62, 338505272), (112, 187386847), (124, 169252636), (217, 96715792), (248, 84626318), (434, 48357896), (496, 42313159), (868, 24178948), (1736, 12089474), (3472, 6044737)]