20216356740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97919}}^1$

素因数の和:98002

約数の個数: 144

約数和(自身を含む): 65012613120

約数和(自身を除く): 44796256380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 37, 45, 60, 62, 74, 90, 93, 111, 124, 148, 155, 180, 185, 186, 222, 279, 310, 333, 370, 372, 444, 465, 555, 558, 620, 666, 740, 930, 1110, 1116, 1147, 1332, 1395, 1665, 1860, 2220, 2294, 2790, 3330, 3441, 4588, 5580, 5735, 6660, 6882, 10323, 11470, 13764, 17205, 20646, 22940, 34410, 41292, 51615, 68820, 97919, 103230, 195838, 206460, 293757, 391676, 489595, 587514, 881271, 979190, 1175028, 1468785, 1762542, 1958380, 2937570, 3035489, 3525084, 3623003, 4406355, 5875140, 6070978, 7246006, 8812710, 9106467, 10869009, 12141956, 14492012, 15177445, 17625420, 18115015, 18212934, 21738018, 27319401, 30354890, 32607027, 36230030, 36425868, 43476036, 45532335, 54345045, 54638802, 60709780, 65214054, 72460060, 91064670, 108690090, 109277604, 112313093, 130428108, 136597005, 163035135, 182129340, 217380180, 224626186, 273194010, 326070270, 336939279, 449252372, 546388020, 561565465, 652140540, 673878558, 1010817837, 1123130930, 1347757116, 1684696395, 2021635674, 2246261860, 3369392790, 4043271348, 5054089185, 6738785580, 10108178370, 20216356740]

約数ペア:

[(1, 20216356740), (2, 10108178370), (3, 6738785580), (4, 5054089185), (5, 4043271348), (6, 3369392790), (9, 2246261860), (10, 2021635674), (12, 1684696395), (15, 1347757116), (18, 1123130930), (20, 1010817837), (30, 673878558), (31, 652140540), (36, 561565465), (37, 546388020), (45, 449252372), (60, 336939279), (62, 326070270), (74, 273194010), (90, 224626186), (93, 217380180), (111, 182129340), (124, 163035135), (148, 136597005), (155, 130428108), (180, 112313093), (185, 109277604), (186, 108690090), (222, 91064670), (279, 72460060), (310, 65214054), (333, 60709780), (370, 54638802), (372, 54345045), (444, 45532335), (465, 43476036), (555, 36425868), (558, 36230030), (620, 32607027), (666, 30354890), (740, 27319401), (930, 21738018), (1110, 18212934), (1116, 18115015), (1147, 17625420), (1332, 15177445), (1395, 14492012), (1665, 12141956), (1860, 10869009), (2220, 9106467), (2294, 8812710), (2790, 7246006), (3330, 6070978), (3441, 5875140), (4588, 4406355), (5580, 3623003), (5735, 3525084), (6660, 3035489), (6882, 2937570), (10323, 1958380), (11470, 1762542), (13764, 1468785), (17205, 1175028), (20646, 979190), (22940, 881271), (34410, 587514), (41292, 489595), (51615, 391676), (68820, 293757), (97919, 206460), (103230, 195838)]