20728574212

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{6823}}^1\times {\mathrm{12451}}^1$

素因数の和:19339

約数の個数: 24

約数和(自身を含む): 36878042432

約数和(自身を除く): 16149468220

約数列:

[1, 2, 4, 61, 122, 244, 6823, 12451, 13646, 24902, 27292, 49804, 416203, 759511, 832406, 1519022, 1664812, 3038044, 84953173, 169906346, 339812692, 5182143553, 10364287106, 20728574212]

約数ペア:

[(1, 20728574212), (2, 10364287106), (4, 5182143553), (61, 339812692), (122, 169906346), (244, 84953173), (6823, 3038044), (12451, 1664812), (13646, 1519022), (24902, 832406), (27292, 759511), (49804, 416203)]