20169016

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 24989384

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 79, 94, 97, 158, 188, 194, 316, 329, 376, 388, 553, 632, 658, 679, 776, 1106, 1316, 1358, 2212, 2632, 2716, 3713, 4424, 4559, 5432, 7426, 7663, 9118, 14852, 15326, 18236, 25991, 29704, 30652, 31913, 36472, 51982, 53641, 61304, 63826, 103964, 107282, 127652, 207928, 214564, 255304, 360161, 429128, 720322, 1440644, 2521127, 2881288, 5042254, 10084508, 20169016]

約数ペア:

[(1, 20169016), (2, 10084508), (4, 5042254), (7, 2881288), (8, 2521127), (14, 1440644), (28, 720322), (47, 429128), (56, 360161), (79, 255304), (94, 214564), (97, 207928), (158, 127652), (188, 107282), (194, 103964), (316, 63826), (329, 61304), (376, 53641), (388, 51982), (553, 36472), (632, 31913), (658, 30652), (679, 29704), (776, 25991), (1106, 18236), (1316, 15326), (1358, 14852), (2212, 9118), (2632, 7663), (2716, 7426), (3713, 5432), (4424, 4559)]