20512221752

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1\times {\mathrm{12503}}^1$

素因数の和:12804

約数の個数: 64

約数和(自身を含む): 42601628160

約数和(自身を除く): 22089406408

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 181, 206, 362, 412, 724, 824, 1133, 1448, 1991, 2266, 3982, 4532, 7964, 9064, 12503, 15928, 18643, 25006, 37286, 50012, 74572, 100024, 137533, 149144, 205073, 275066, 410146, 550132, 820292, 1100264, 1287809, 1640584, 2263043, 2575618, 4526086, 5151236, 9052172, 10302472, 14165899, 18104344, 24893473, 28331798, 49786946, 56663596, 99573892, 113327192, 199147784, 233093429, 466186858, 932373716, 1864747432, 2564027719, 5128055438, 10256110876, 20512221752]

約数ペア:

[(1, 20512221752), (2, 10256110876), (4, 5128055438), (8, 2564027719), (11, 1864747432), (22, 932373716), (44, 466186858), (88, 233093429), (103, 199147784), (181, 113327192), (206, 99573892), (362, 56663596), (412, 49786946), (724, 28331798), (824, 24893473), (1133, 18104344), (1448, 14165899), (1991, 10302472), (2266, 9052172), (3982, 5151236), (4532, 4526086), (7964, 2575618), (9064, 2263043), (12503, 1640584), (15928, 1287809), (18643, 1100264), (25006, 820292), (37286, 550132), (50012, 410146), (74572, 275066), (100024, 205073), (137533, 149144)]