20216012416

素因数分解:

$2^7\times {\mathrm{1123}}^1\times {\mathrm{140639}}^1$

素因数の和:141776

約数の個数: 32

約数和(自身を含む): 40310236800

約数和(自身を除く): 20094224384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1123, 2246, 4492, 8984, 17968, 35936, 71872, 140639, 143744, 281278, 562556, 1125112, 2250224, 4500448, 9000896, 18001792, 157937597, 315875194, 631750388, 1263500776, 2527001552, 5054003104, 10108006208, 20216012416]

約数ペア:

[(1, 20216012416), (2, 10108006208), (4, 5054003104), (8, 2527001552), (16, 1263500776), (32, 631750388), (64, 315875194), (128, 157937597), (1123, 18001792), (2246, 9000896), (4492, 4500448), (8984, 2250224), (17968, 1125112), (35936, 562556), (71872, 281278), (140639, 143744)]