20973495

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{353}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 35785152

約数和(自身を除く): 14811657

約数列:

[1, 3, 5, 15, 17, 51, 85, 233, 255, 353, 699, 1059, 1165, 1765, 3495, 3961, 5295, 6001, 11883, 18003, 19805, 30005, 59415, 82249, 90015, 246747, 411245, 1233735, 1398233, 4194699, 6991165, 20973495]

約数ペア:

[(1, 20973495), (3, 6991165), (5, 4194699), (15, 1398233), (17, 1233735), (51, 411245), (85, 246747), (233, 90015), (255, 82249), (353, 59415), (699, 30005), (1059, 19805), (1165, 18003), (1765, 11883), (3495, 6001), (3961, 5295)]