20049953

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 32

約数和(自身を含む): 27060480

約数和(自身を除く): 7010527

約数列:

[1, 7, 11, 17, 53, 77, 119, 187, 289, 371, 583, 901, 1309, 2023, 3179, 4081, 4913, 6307, 9911, 15317, 22253, 34391, 54043, 69377, 107219, 168487, 260389, 378301, 1179409, 1822723, 2864279, 20049953]

約数ペア:

[(1, 20049953), (7, 2864279), (11, 1822723), (17, 1179409), (53, 378301), (77, 260389), (119, 168487), (187, 107219), (289, 69377), (371, 54043), (583, 34391), (901, 22253), (1309, 15317), (2023, 9911), (3179, 6307), (4081, 4913)]