20731684263

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1\times {\mathrm{557}}^1$

素因数の和:1208

約数の個数: 64

約数和(自身を含む): 31356564480

約数和(自身を除く): 10624880217

約数列:

[1, 3, 17, 19, 51, 57, 71, 213, 323, 541, 557, 969, 1207, 1349, 1623, 1671, 3621, 4047, 9197, 9469, 10279, 10583, 22933, 27591, 28407, 30837, 31749, 38411, 39547, 68799, 115233, 118641, 174743, 179911, 301337, 524229, 539733, 652987, 672299, 729809, 751393, 904011, 1958961, 2016897, 2189427, 2254179, 5122729, 5725403, 12406753, 12773681, 15368187, 17176209, 21394927, 37220259, 38321043, 64184781, 97331851, 291995553, 363713759, 406503613, 1091141277, 1219510839, 6910561421, 20731684263]

約数ペア:

[(1, 20731684263), (3, 6910561421), (17, 1219510839), (19, 1091141277), (51, 406503613), (57, 363713759), (71, 291995553), (213, 97331851), (323, 64184781), (541, 38321043), (557, 37220259), (969, 21394927), (1207, 17176209), (1349, 15368187), (1623, 12773681), (1671, 12406753), (3621, 5725403), (4047, 5122729), (9197, 2254179), (9469, 2189427), (10279, 2016897), (10583, 1958961), (22933, 904011), (27591, 751393), (28407, 729809), (30837, 672299), (31749, 652987), (38411, 539733), (39547, 524229), (68799, 301337), (115233, 179911), (118641, 174743)]