20426648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2393}}^1$

素因数の和:2507

約数の個数: 32

約数和(自身を含む): 42230160

約数和(自身を除く): 21803512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 97, 194, 388, 776, 1067, 2134, 2393, 4268, 4786, 8536, 9572, 19144, 26323, 52646, 105292, 210584, 232121, 464242, 928484, 1856968, 2553331, 5106662, 10213324, 20426648]

約数ペア:

[(1, 20426648), (2, 10213324), (4, 5106662), (8, 2553331), (11, 1856968), (22, 928484), (44, 464242), (88, 232121), (97, 210584), (194, 105292), (388, 52646), (776, 26323), (1067, 19144), (2134, 9572), (2393, 8536), (4268, 4786)]