20053495

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1063}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 10589705

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 1063, 1715, 2695, 3773, 5315, 7441, 11693, 18865, 37205, 52087, 58465, 81851, 260435, 364609, 409255, 572957, 1823045, 2864785, 4010699, 20053495]

約数ペア:

[(1, 20053495), (5, 4010699), (7, 2864785), (11, 1823045), (35, 572957), (49, 409255), (55, 364609), (77, 260435), (245, 81851), (343, 58465), (385, 52087), (539, 37205), (1063, 18865), (1715, 11693), (2695, 7441), (3773, 5315)]