20123258265

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1098731}}^1$

素因数の和:1098790

約数の個数: 48

約数和(自身を含む): 39079699776

約数和(自身を除く): 18956441511

約数列:

[1, 3, 5, 9, 11, 15, 33, 37, 45, 55, 99, 111, 165, 185, 333, 407, 495, 555, 1221, 1665, 2035, 3663, 6105, 18315, 1098731, 3296193, 5493655, 9888579, 12086041, 16480965, 36258123, 40653047, 49442895, 60430205, 108774369, 121959141, 181290615, 203265235, 365877423, 447183517, 543871845, 609795705, 1341550551, 1829387115, 2235917585, 4024651653, 6707752755, 20123258265]

約数ペア:

[(1, 20123258265), (3, 6707752755), (5, 4024651653), (9, 2235917585), (11, 1829387115), (15, 1341550551), (33, 609795705), (37, 543871845), (45, 447183517), (55, 365877423), (99, 203265235), (111, 181290615), (165, 121959141), (185, 108774369), (333, 60430205), (407, 49442895), (495, 40653047), (555, 36258123), (1221, 16480965), (1665, 12086041), (2035, 9888579), (3663, 5493655), (6105, 3296193), (18315, 1098731)]