20813610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1103}}^1$

素因数の和:1167

約数の個数: 64

約数和(自身を含む): 54369792

約数和(自身を除く): 33556182

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 37, 51, 74, 85, 102, 111, 170, 185, 222, 255, 370, 510, 555, 629, 1103, 1110, 1258, 1887, 2206, 3145, 3309, 3774, 5515, 6290, 6618, 9435, 11030, 16545, 18751, 18870, 33090, 37502, 40811, 56253, 81622, 93755, 112506, 122433, 187510, 204055, 244866, 281265, 408110, 562530, 612165, 693787, 1224330, 1387574, 2081361, 3468935, 4162722, 6937870, 10406805, 20813610]

約数ペア:

[(1, 20813610), (2, 10406805), (3, 6937870), (5, 4162722), (6, 3468935), (10, 2081361), (15, 1387574), (17, 1224330), (30, 693787), (34, 612165), (37, 562530), (51, 408110), (74, 281265), (85, 244866), (102, 204055), (111, 187510), (170, 122433), (185, 112506), (222, 93755), (255, 81622), (370, 56253), (510, 40811), (555, 37502), (629, 33090), (1103, 18870), (1110, 18751), (1258, 16545), (1887, 11030), (2206, 9435), (3145, 6618), (3309, 6290), (3774, 5515)]