20891402

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1439}}^1$

素因数の和:1526

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 17677558

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 238, 427, 854, 1037, 1439, 2074, 2878, 7259, 10073, 14518, 20146, 24463, 48926, 87779, 171241, 175558, 342482, 614453, 1228906, 1492243, 2984486, 10445701, 20891402]

約数ペア:

[(1, 20891402), (2, 10445701), (7, 2984486), (14, 1492243), (17, 1228906), (34, 614453), (61, 342482), (119, 175558), (122, 171241), (238, 87779), (427, 48926), (854, 24463), (1037, 20146), (1439, 14518), (2074, 10073), (2878, 7259)]