20929605

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 35232384

約数和(自身を除く): 14302779

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 877, 1591, 2631, 4385, 4773, 7955, 13155, 23865, 32449, 37711, 97347, 113133, 162245, 188555, 486735, 565665, 1395307, 4185921, 6976535, 20929605]

約数ペア:

[(1, 20929605), (3, 6976535), (5, 4185921), (15, 1395307), (37, 565665), (43, 486735), (111, 188555), (129, 162245), (185, 113133), (215, 97347), (555, 37711), (645, 32449), (877, 23865), (1591, 13155), (2631, 7955), (4385, 4773)]