20138873670

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{407587}}^1$

素因数の和:407667

約数の個数: 80

約数和(自身を含む): 55039053168

約数和(自身を除く): 34900179498

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 81, 90, 122, 135, 162, 183, 270, 305, 366, 405, 549, 610, 810, 915, 1098, 1647, 1830, 2745, 3294, 4941, 5490, 8235, 9882, 16470, 24705, 49410, 407587, 815174, 1222761, 2037935, 2445522, 3668283, 4075870, 6113805, 7336566, 11004849, 12227610, 18341415, 22009698, 24862807, 33014547, 36682830, 49725614, 55024245, 66029094, 74588421, 110048490, 124314035, 149176842, 165072735, 223765263, 248628070, 330145470, 372942105, 447530526, 671295789, 745884210, 1118826315, 1342591578, 2013887367, 2237652630, 3356478945, 4027774734, 6712957890, 10069436835, 20138873670]

約数ペア:

[(1, 20138873670), (2, 10069436835), (3, 6712957890), (5, 4027774734), (6, 3356478945), (9, 2237652630), (10, 2013887367), (15, 1342591578), (18, 1118826315), (27, 745884210), (30, 671295789), (45, 447530526), (54, 372942105), (61, 330145470), (81, 248628070), (90, 223765263), (122, 165072735), (135, 149176842), (162, 124314035), (183, 110048490), (270, 74588421), (305, 66029094), (366, 55024245), (405, 49725614), (549, 36682830), (610, 33014547), (810, 24862807), (915, 22009698), (1098, 18341415), (1647, 12227610), (1830, 11004849), (2745, 7336566), (3294, 6113805), (4941, 4075870), (5490, 3668283), (8235, 2445522), (9882, 2037935), (16470, 1222761), (24705, 815174), (49410, 407587)]