20816070674

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{312563}}^1$

素因数の和:312710

約数の個数: 32

約数和(自身を含む): 36727520256

約数和(自身を除く): 15911449582

約数列:

[1, 2, 7, 14, 67, 71, 134, 142, 469, 497, 938, 994, 4757, 9514, 33299, 66598, 312563, 625126, 2187941, 4375882, 20941721, 22191973, 41883442, 44383946, 146592047, 155343811, 293184094, 310687622, 1486862191, 2973724382, 10408035337, 20816070674]

約数ペア:

[(1, 20816070674), (2, 10408035337), (7, 2973724382), (14, 1486862191), (67, 310687622), (71, 293184094), (134, 155343811), (142, 146592047), (469, 44383946), (497, 41883442), (938, 22191973), (994, 20941721), (4757, 4375882), (9514, 2187941), (33299, 625126), (66598, 312563)]