20097105

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 38468160

約数和(自身を除く): 18371055

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 105, 111, 147, 185, 245, 259, 555, 735, 739, 777, 1295, 1813, 2217, 3695, 3885, 5173, 5439, 9065, 11085, 15519, 25865, 27195, 27343, 36211, 77595, 82029, 108633, 136715, 181055, 191401, 410145, 543165, 574203, 957005, 1339807, 2871015, 4019421, 6699035, 20097105]

約数ペア:

[(1, 20097105), (3, 6699035), (5, 4019421), (7, 2871015), (15, 1339807), (21, 957005), (35, 574203), (37, 543165), (49, 410145), (105, 191401), (111, 181055), (147, 136715), (185, 108633), (245, 82029), (259, 77595), (555, 36211), (735, 27343), (739, 27195), (777, 25865), (1295, 15519), (1813, 11085), (2217, 9065), (3695, 5439), (3885, 5173)]