20345501

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 4537699

約数列:

[1, 11, 23, 29, 47, 59, 253, 319, 517, 649, 667, 1081, 1357, 1363, 1711, 2773, 7337, 11891, 14927, 14993, 18821, 30503, 31349, 39353, 63779, 80417, 344839, 432883, 701569, 884587, 1849591, 20345501]

約数ペア:

[(1, 20345501), (11, 1849591), (23, 884587), (29, 701569), (47, 432883), (59, 344839), (253, 80417), (319, 63779), (517, 39353), (649, 31349), (667, 30503), (1081, 18821), (1357, 14993), (1363, 14927), (1711, 11891), (2773, 7337)]