20165671920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{15241}}^1$

素因数の和:15443

約数の個数: 160

約数和(自身を含む): 64638273600

約数和(自身を除く): 44472601680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 149, 185, 222, 240, 296, 298, 370, 444, 447, 555, 592, 596, 740, 745, 888, 894, 1110, 1192, 1480, 1490, 1776, 1788, 2220, 2235, 2384, 2960, 2980, 3576, 4440, 4470, 5513, 5960, 7152, 8880, 8940, 11026, 11920, 15241, 16539, 17880, 22052, 27565, 30482, 33078, 35760, 44104, 45723, 55130, 60964, 66156, 76205, 82695, 88208, 91446, 110260, 121928, 132312, 152410, 165390, 182892, 220520, 228615, 243856, 264624, 304820, 330780, 365784, 441040, 457230, 563917, 609640, 661560, 731568, 914460, 1127834, 1219280, 1323120, 1691751, 1828920, 2255668, 2270909, 2819585, 3383502, 3657840, 4511336, 4541818, 5639170, 6767004, 6812727, 8458755, 9022672, 9083636, 11278340, 11354545, 13534008, 13625454, 16917510, 18167272, 22556680, 22709090, 27068016, 27250908, 33835020, 34063635, 36334544, 45113360, 45418180, 54501816, 67670040, 68127270, 84023633, 90836360, 109003632, 135340080, 136254540, 168047266, 181672720, 252070899, 272509080, 336094532, 420118165, 504141798, 545018160, 672189064, 840236330, 1008283596, 1260354495, 1344378128, 1680472660, 2016567192, 2520708990, 3360945320, 4033134384, 5041417980, 6721890640, 10082835960, 20165671920]

約数ペア:

[(1, 20165671920), (2, 10082835960), (3, 6721890640), (4, 5041417980), (5, 4033134384), (6, 3360945320), (8, 2520708990), (10, 2016567192), (12, 1680472660), (15, 1344378128), (16, 1260354495), (20, 1008283596), (24, 840236330), (30, 672189064), (37, 545018160), (40, 504141798), (48, 420118165), (60, 336094532), (74, 272509080), (80, 252070899), (111, 181672720), (120, 168047266), (148, 136254540), (149, 135340080), (185, 109003632), (222, 90836360), (240, 84023633), (296, 68127270), (298, 67670040), (370, 54501816), (444, 45418180), (447, 45113360), (555, 36334544), (592, 34063635), (596, 33835020), (740, 27250908), (745, 27068016), (888, 22709090), (894, 22556680), (1110, 18167272), (1192, 16917510), (1480, 13625454), (1490, 13534008), (1776, 11354545), (1788, 11278340), (2220, 9083636), (2235, 9022672), (2384, 8458755), (2960, 6812727), (2980, 6767004), (3576, 5639170), (4440, 4541818), (4470, 4511336), (5513, 3657840), (5960, 3383502), (7152, 2819585), (8880, 2270909), (8940, 2255668), (11026, 1828920), (11920, 1691751), (15241, 1323120), (16539, 1219280), (17880, 1127834), (22052, 914460), (27565, 731568), (30482, 661560), (33078, 609640), (35760, 563917), (44104, 457230), (45723, 441040), (55130, 365784), (60964, 330780), (66156, 304820), (76205, 264624), (82695, 243856), (88208, 228615), (91446, 220520), (110260, 182892), (121928, 165390), (132312, 152410)]