20379410415

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{710951}}^1$

素因数の和:710989

約数の個数: 72

約数和(自身を含む): 44252496288

約数和(自身を除く): 23873085873

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 49, 63, 65, 91, 105, 117, 147, 195, 245, 273, 315, 441, 455, 585, 637, 735, 819, 1365, 1911, 2205, 3185, 4095, 5733, 9555, 28665, 710951, 2132853, 3554755, 4976657, 6398559, 9242363, 10664265, 14929971, 24883285, 27727089, 31992795, 34836599, 44789913, 46211815, 64696541, 74649855, 83181267, 104509797, 138635445, 174182995, 194089623, 223949565, 313529391, 323482705, 415906335, 452875787, 522548985, 582268869, 970448115, 1358627361, 1567646955, 2264378935, 2911344345, 4075882083, 6793136805, 20379410415]

約数ペア:

[(1, 20379410415), (3, 6793136805), (5, 4075882083), (7, 2911344345), (9, 2264378935), (13, 1567646955), (15, 1358627361), (21, 970448115), (35, 582268869), (39, 522548985), (45, 452875787), (49, 415906335), (63, 323482705), (65, 313529391), (91, 223949565), (105, 194089623), (117, 174182995), (147, 138635445), (195, 104509797), (245, 83181267), (273, 74649855), (315, 64696541), (441, 46211815), (455, 44789913), (585, 34836599), (637, 31992795), (735, 27727089), (819, 24883285), (1365, 14929971), (1911, 10664265), (2205, 9242363), (3185, 6398559), (4095, 4976657), (5733, 3554755), (9555, 2132853), (28665, 710951)]