20193504009

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1\times {\mathrm{68897}}^1$

素因数の和:69745

約数の個数: 32

約数和(自身を含む): 32621273856

約数和(自身を除く): 12427769847

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 821, 2463, 5747, 13957, 17241, 41871, 68897, 97699, 206691, 293097, 482279, 1171249, 1446837, 3513747, 8198743, 24596229, 56564437, 169693311, 395951059, 961595429, 1187853177, 2884786287, 6731168003, 20193504009]

約数ペア:

[(1, 20193504009), (3, 6731168003), (7, 2884786287), (17, 1187853177), (21, 961595429), (51, 395951059), (119, 169693311), (357, 56564437), (821, 24596229), (2463, 8198743), (5747, 3513747), (13957, 1446837), (17241, 1171249), (41871, 482279), (68897, 293097), (97699, 206691)]