20816953346

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{77279}}^1$

素因数の和:77630

約数の個数: 32

約数和(自身を含む): 36322836480

約数和(自身を除く): 15505883134

約数列:

[1, 2, 7, 14, 71, 142, 271, 497, 542, 994, 1897, 3794, 19241, 38482, 77279, 134687, 154558, 269374, 540953, 1081906, 5486809, 10973618, 20942609, 38407663, 41885218, 76815326, 146598263, 293196526, 1486925239, 2973850478, 10408476673, 20816953346]

約数ペア:

[(1, 20816953346), (2, 10408476673), (7, 2973850478), (14, 1486925239), (71, 293196526), (142, 146598263), (271, 76815326), (497, 41885218), (542, 38407663), (994, 20942609), (1897, 10973618), (3794, 5486809), (19241, 1081906), (38482, 540953), (77279, 269374), (134687, 154558)]