20842899

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3923}}^1$

素因数の和:3967

約数の個数: 32

約数和(自身を含む): 36163584

約数和(自身を除く): 15320685

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 3923, 5313, 11769, 27461, 43153, 82383, 90229, 129459, 270687, 302071, 631603, 906213, 992519, 1894809, 2977557, 6947633, 20842899]

約数ペア:

[(1, 20842899), (3, 6947633), (7, 2977557), (11, 1894809), (21, 992519), (23, 906213), (33, 631603), (69, 302071), (77, 270687), (161, 129459), (231, 90229), (253, 82383), (483, 43153), (759, 27461), (1771, 11769), (3923, 5313)]