20239401

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 16048599

約数列:

[1, 3, 7, 13, 17, 21, 39, 49, 51, 89, 91, 119, 147, 221, 267, 273, 343, 357, 623, 637, 663, 833, 1029, 1157, 1513, 1547, 1869, 1911, 2499, 3471, 4361, 4459, 4539, 4641, 5831, 8099, 10591, 10829, 13083, 13377, 17493, 19669, 24297, 30527, 31773, 32487, 56693, 59007, 74137, 75803, 91581, 137683, 170079, 222411, 227409, 396851, 413049, 518959, 963781, 1190553, 1556877, 2891343, 6746467, 20239401]

約数ペア:

[(1, 20239401), (3, 6746467), (7, 2891343), (13, 1556877), (17, 1190553), (21, 963781), (39, 518959), (49, 413049), (51, 396851), (89, 227409), (91, 222411), (119, 170079), (147, 137683), (221, 91581), (267, 75803), (273, 74137), (343, 59007), (357, 56693), (623, 32487), (637, 31773), (663, 30527), (833, 24297), (1029, 19669), (1157, 17493), (1513, 13377), (1547, 13083), (1869, 10829), (1911, 10591), (2499, 8099), (3471, 5831), (4361, 4641), (4459, 4539)]