20161792105

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^3\times {\mathrm{5351}}^1$

素因数の和:5416

約数の個数: 64

約数和(自身を含む): 30570624000

約数和(自身を除く): 10408831895

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 169, 245, 343, 455, 637, 845, 1183, 1715, 2197, 3185, 4459, 5351, 5915, 8281, 10985, 15379, 22295, 26755, 37457, 41405, 57967, 69563, 76895, 107653, 187285, 262199, 289835, 347815, 486941, 538265, 753571, 904319, 1310995, 1835393, 2434705, 3408587, 3767855, 4521595, 6330233, 9176965, 11756147, 17042935, 23860109, 31651165, 44311631, 58780735, 82293029, 119300545, 221558155, 310181417, 411465145, 576051203, 1550907085, 2880256015, 4032358421, 20161792105]

約数ペア:

[(1, 20161792105), (5, 4032358421), (7, 2880256015), (13, 1550907085), (35, 576051203), (49, 411465145), (65, 310181417), (91, 221558155), (169, 119300545), (245, 82293029), (343, 58780735), (455, 44311631), (637, 31651165), (845, 23860109), (1183, 17042935), (1715, 11756147), (2197, 9176965), (3185, 6330233), (4459, 4521595), (5351, 3767855), (5915, 3408587), (8281, 2434705), (10985, 1835393), (15379, 1310995), (22295, 904319), (26755, 753571), (37457, 538265), (41405, 486941), (57967, 347815), (69563, 289835), (76895, 262199), (107653, 187285)]