20164347357

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{9109}}^1$

素因数の和:9211

約数の個数: 72

約数和(自身を含む): 35069418720

約数和(自身を除く): 14905071363

約数列:

[1, 3, 7, 11, 21, 33, 37, 49, 77, 111, 147, 231, 259, 407, 539, 777, 1221, 1369, 1617, 1813, 2849, 4107, 5439, 8547, 9109, 9583, 15059, 19943, 27327, 28749, 45177, 59829, 63763, 67081, 100199, 105413, 191289, 201243, 300597, 316239, 337033, 446341, 701393, 737891, 1011099, 1339023, 2104179, 2213673, 2359231, 3707363, 4909751, 7077693, 11122089, 12470221, 14729253, 16514617, 25951541, 37410663, 49543851, 77854623, 87291547, 137172431, 181660787, 261874641, 411517293, 544982361, 611040829, 960207017, 1833122487, 2880621051, 6721449119, 20164347357]

約数ペア:

[(1, 20164347357), (3, 6721449119), (7, 2880621051), (11, 1833122487), (21, 960207017), (33, 611040829), (37, 544982361), (49, 411517293), (77, 261874641), (111, 181660787), (147, 137172431), (231, 87291547), (259, 77854623), (407, 49543851), (539, 37410663), (777, 25951541), (1221, 16514617), (1369, 14729253), (1617, 12470221), (1813, 11122089), (2849, 7077693), (4107, 4909751), (5439, 3707363), (8547, 2359231), (9109, 2213673), (9583, 2104179), (15059, 1339023), (19943, 1011099), (27327, 737891), (28749, 701393), (45177, 446341), (59829, 337033), (63763, 316239), (67081, 300597), (100199, 201243), (105413, 191289)]