20347731272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1\times {\mathrm{2927}}^1$

素因数の和:3542

約数の個数: 64

約数和(自身を含む): 41950275840

約数和(自身を除く): 21602544568

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 197, 394, 401, 788, 802, 1576, 1604, 2167, 2927, 3208, 4334, 4411, 5854, 8668, 8822, 11708, 17336, 17644, 23416, 32197, 35288, 64394, 78997, 128788, 157994, 257576, 315988, 576619, 631976, 868967, 1153238, 1173727, 1737934, 2306476, 2347454, 3475868, 4612952, 4694908, 6342809, 6951736, 9389816, 12685618, 12910997, 25371236, 25821994, 50742472, 51643988, 103287976, 231224219, 462448438, 924896876, 1849793752, 2543466409, 5086932818, 10173865636, 20347731272]

約数ペア:

[(1, 20347731272), (2, 10173865636), (4, 5086932818), (8, 2543466409), (11, 1849793752), (22, 924896876), (44, 462448438), (88, 231224219), (197, 103287976), (394, 51643988), (401, 50742472), (788, 25821994), (802, 25371236), (1576, 12910997), (1604, 12685618), (2167, 9389816), (2927, 6951736), (3208, 6342809), (4334, 4694908), (4411, 4612952), (5854, 3475868), (8668, 2347454), (8822, 2306476), (11708, 1737934), (17336, 1173727), (17644, 1153238), (23416, 868967), (32197, 631976), (35288, 576619), (64394, 315988), (78997, 257576), (128788, 157994)]