20165511180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{142231}}^1$

素因数の和:142399

約数の個数: 96

約数和(自身を含む): 60215339520

約数和(自身を除く): 40049828340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 139, 170, 204, 255, 278, 340, 417, 510, 556, 695, 834, 1020, 1390, 1668, 2085, 2363, 2780, 4170, 4726, 7089, 8340, 9452, 11815, 14178, 23630, 28356, 35445, 47260, 70890, 141780, 142231, 284462, 426693, 568924, 711155, 853386, 1422310, 1706772, 2133465, 2417927, 2844620, 4266930, 4835854, 7253781, 8533860, 9671708, 12089635, 14507562, 19770109, 24179270, 29015124, 36268905, 39540218, 48358540, 59310327, 72537810, 79080436, 98850545, 118620654, 145075620, 197701090, 237241308, 296551635, 336091853, 395402180, 593103270, 672183706, 1008275559, 1186206540, 1344367412, 1680459265, 2016551118, 3360918530, 4033102236, 5041377795, 6721837060, 10082755590, 20165511180]

約数ペア:

[(1, 20165511180), (2, 10082755590), (3, 6721837060), (4, 5041377795), (5, 4033102236), (6, 3360918530), (10, 2016551118), (12, 1680459265), (15, 1344367412), (17, 1186206540), (20, 1008275559), (30, 672183706), (34, 593103270), (51, 395402180), (60, 336091853), (68, 296551635), (85, 237241308), (102, 197701090), (139, 145075620), (170, 118620654), (204, 98850545), (255, 79080436), (278, 72537810), (340, 59310327), (417, 48358540), (510, 39540218), (556, 36268905), (695, 29015124), (834, 24179270), (1020, 19770109), (1390, 14507562), (1668, 12089635), (2085, 9671708), (2363, 8533860), (2780, 7253781), (4170, 4835854), (4726, 4266930), (7089, 2844620), (8340, 2417927), (9452, 2133465), (11815, 1706772), (14178, 1422310), (23630, 853386), (28356, 711155), (35445, 568924), (47260, 426693), (70890, 284462), (141780, 142231)]