20183062907

素因数分解:

$7^4\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{487}}^1$

素因数の和:977

約数の個数: 40

約数和(自身を含む): 24226722912

約数和(自身を除く): 4043660005

約数列:

[1, 7, 41, 49, 287, 343, 421, 487, 2009, 2401, 2947, 3409, 14063, 17261, 19967, 20629, 23863, 98441, 120827, 139769, 144403, 167041, 205027, 845789, 978383, 1010821, 1169287, 1435189, 5920523, 6848681, 8406107, 10046323, 41443661, 47940767, 58842749, 70324261, 411899243, 492269827, 2883294701, 20183062907]

約数ペア:

[(1, 20183062907), (7, 2883294701), (41, 492269827), (49, 411899243), (287, 70324261), (343, 58842749), (421, 47940767), (487, 41443661), (2009, 10046323), (2401, 8406107), (2947, 6848681), (3409, 5920523), (14063, 1435189), (17261, 1169287), (19967, 1010821), (20629, 978383), (23863, 845789), (98441, 205027), (120827, 167041), (139769, 144403)]