20498408

素因数分解:

$2^3\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1571}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 44141760

約数和(自身を除く): 23643352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 233, 466, 932, 1571, 1631, 1864, 3142, 3262, 6284, 6524, 10997, 12568, 13048, 21994, 43988, 87976, 366043, 732086, 1464172, 2562301, 2928344, 5124602, 10249204, 20498408]

約数ペア:

[(1, 20498408), (2, 10249204), (4, 5124602), (7, 2928344), (8, 2562301), (14, 1464172), (28, 732086), (56, 366043), (233, 87976), (466, 43988), (932, 21994), (1571, 13048), (1631, 12568), (1864, 10997), (3142, 6524), (3262, 6284)]