20305010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 40822488

約数和(自身を除く): 20517478

約数列:

[1, 2, 5, 10, 11, 22, 55, 97, 110, 121, 173, 194, 242, 346, 485, 605, 865, 970, 1067, 1210, 1730, 1903, 2134, 3806, 5335, 9515, 10670, 11737, 16781, 19030, 20933, 23474, 33562, 41866, 58685, 83905, 104665, 117370, 167810, 184591, 209330, 369182, 922955, 1845910, 2030501, 4061002, 10152505, 20305010]

約数ペア:

[(1, 20305010), (2, 10152505), (5, 4061002), (10, 2030501), (11, 1845910), (22, 922955), (55, 369182), (97, 209330), (110, 184591), (121, 167810), (173, 117370), (194, 104665), (242, 83905), (346, 58685), (485, 41866), (605, 33562), (865, 23474), (970, 20933), (1067, 19030), (1210, 16781), (1730, 11737), (1903, 10670), (2134, 9515), (3806, 5335)]