20344518180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{520853}}^1$

素因数の和:520906

約数の個数: 144

約数和(自身を含む): 72802888704

約数和(自身を除く): 52458370524

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6510, 7812, 9765, 13020, 19530, 39060, 520853, 1041706, 1562559, 2083412, 2604265, 3125118, 3645971, 4687677, 5208530, 6250236, 7291942, 7812795, 9375354, 10417060, 10937913, 14583884, 15625590, 16146443, 18229855, 18750708, 21875826, 23438385, 31251180, 32292886, 32813739, 36459710, 43751652, 46876770, 48439329, 54689565, 64585772, 65627478, 72919420, 80732215, 93753540, 96878658, 109379130, 113025101, 131254956, 145317987, 161464430, 164068695, 193757316, 218758260, 226050202, 242196645, 290635974, 322928860, 328137390, 339075303, 452100404, 484393290, 565125505, 581271948, 656274780, 678150606, 726589935, 968786580, 1017225909, 1130251010, 1356301212, 1453179870, 1695376515, 2034451818, 2260502020, 2906359740, 3390753030, 4068903636, 5086129545, 6781506060, 10172259090, 20344518180]

約数ペア:

[(1, 20344518180), (2, 10172259090), (3, 6781506060), (4, 5086129545), (5, 4068903636), (6, 3390753030), (7, 2906359740), (9, 2260502020), (10, 2034451818), (12, 1695376515), (14, 1453179870), (15, 1356301212), (18, 1130251010), (20, 1017225909), (21, 968786580), (28, 726589935), (30, 678150606), (31, 656274780), (35, 581271948), (36, 565125505), (42, 484393290), (45, 452100404), (60, 339075303), (62, 328137390), (63, 322928860), (70, 290635974), (84, 242196645), (90, 226050202), (93, 218758260), (105, 193757316), (124, 164068695), (126, 161464430), (140, 145317987), (155, 131254956), (180, 113025101), (186, 109379130), (210, 96878658), (217, 93753540), (252, 80732215), (279, 72919420), (310, 65627478), (315, 64585772), (372, 54689565), (420, 48439329), (434, 46876770), (465, 43751652), (558, 36459710), (620, 32813739), (630, 32292886), (651, 31251180), (868, 23438385), (930, 21875826), (1085, 18750708), (1116, 18229855), (1260, 16146443), (1302, 15625590), (1395, 14583884), (1860, 10937913), (1953, 10417060), (2170, 9375354), (2604, 7812795), (2790, 7291942), (3255, 6250236), (3906, 5208530), (4340, 4687677), (5580, 3645971), (6510, 3125118), (7812, 2604265), (9765, 2083412), (13020, 1562559), (19530, 1041706), (39060, 520853)]