20216051709

素因数分解:

$3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{547}}^1\times {\mathrm{3851}}^1$

素因数の和:4865

約数の個数: 32

約数和(自身を含む): 30937291776

約数和(自身を除く): 10721240067

約数列:

[1, 3, 7, 21, 457, 547, 1371, 1641, 3199, 3829, 3851, 9597, 11487, 11553, 26957, 80871, 249979, 749937, 1749853, 1759907, 2106497, 5249559, 5279721, 6319491, 12319349, 14745479, 36958047, 44236437, 962669129, 2888007387, 6738683903, 20216051709]

約数ペア:

[(1, 20216051709), (3, 6738683903), (7, 2888007387), (21, 962669129), (457, 44236437), (547, 36958047), (1371, 14745479), (1641, 12319349), (3199, 6319491), (3829, 5279721), (3851, 5249559), (9597, 2106497), (11487, 1759907), (11553, 1749853), (26957, 749937), (80871, 249979)]