20172960885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{11423}}^1$

素因数の和:11599

約数の個数: 96

約数和(自身を含む): 40841256960

約数和(自身を除く): 20668296075

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 139, 165, 231, 363, 385, 417, 605, 695, 847, 973, 1155, 1529, 1815, 2085, 2541, 2919, 4235, 4587, 4865, 7645, 10703, 11423, 12705, 14595, 16819, 22935, 32109, 34269, 50457, 53515, 57115, 79961, 84095, 117733, 125653, 160545, 171345, 239883, 252285, 353199, 376959, 399805, 588665, 628265, 879571, 1199415, 1382183, 1587797, 1765995, 1884795, 2638713, 4146549, 4397855, 4763391, 6910915, 7938985, 9675281, 11114579, 13193565, 17465767, 20732745, 23816955, 29025843, 33343737, 48376405, 52397301, 55572895, 87328835, 122260369, 145129215, 166718685, 192123437, 261986505, 366781107, 576370311, 611301845, 960617185, 1344864059, 1833905535, 2881851555, 4034592177, 6724320295, 20172960885]

約数ペア:

[(1, 20172960885), (3, 6724320295), (5, 4034592177), (7, 2881851555), (11, 1833905535), (15, 1344864059), (21, 960617185), (33, 611301845), (35, 576370311), (55, 366781107), (77, 261986505), (105, 192123437), (121, 166718685), (139, 145129215), (165, 122260369), (231, 87328835), (363, 55572895), (385, 52397301), (417, 48376405), (605, 33343737), (695, 29025843), (847, 23816955), (973, 20732745), (1155, 17465767), (1529, 13193565), (1815, 11114579), (2085, 9675281), (2541, 7938985), (2919, 6910915), (4235, 4763391), (4587, 4397855), (4865, 4146549), (7645, 2638713), (10703, 1884795), (11423, 1765995), (12705, 1587797), (14595, 1382183), (16819, 1199415), (22935, 879571), (32109, 628265), (34269, 588665), (50457, 399805), (53515, 376959), (57115, 353199), (79961, 252285), (84095, 239883), (117733, 171345), (125653, 160545)]