20798810

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{839}}^1$

素因数の和:950

約数の個数: 32

約数和(自身を含む): 39070080

約数和(自身を除く): 18271270

約数列:

[1, 2, 5, 10, 37, 67, 74, 134, 185, 335, 370, 670, 839, 1678, 2479, 4195, 4958, 8390, 12395, 24790, 31043, 56213, 62086, 112426, 155215, 281065, 310430, 562130, 2079881, 4159762, 10399405, 20798810]

約数ペア:

[(1, 20798810), (2, 10399405), (5, 4159762), (10, 2079881), (37, 562130), (67, 310430), (74, 281065), (134, 155215), (185, 112426), (335, 62086), (370, 56213), (670, 31043), (839, 24790), (1678, 12395), (2479, 8390), (4195, 4958)]