20218832010

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{640039}}^1$

素因数の和:640074

約数の個数: 96

約数和(自身を含む): 58709589120

約数和(自身を除く): 38490757110

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 243, 270, 351, 390, 405, 486, 585, 702, 810, 1053, 1170, 1215, 1755, 2106, 2430, 3159, 3510, 5265, 6318, 10530, 15795, 31590, 640039, 1280078, 1920117, 3200195, 3840234, 5760351, 6400390, 8320507, 9600585, 11520702, 16641014, 17281053, 19201170, 24961521, 28801755, 34562106, 41602535, 49923042, 51843159, 57603510, 74884563, 83205070, 86405265, 103686318, 124807605, 149769126, 155529477, 172810530, 224653689, 249615210, 259215795, 311058954, 374422815, 449307378, 518431590, 673961067, 748845630, 777647385, 1123268445, 1347922134, 1555294770, 2021883201, 2246536890, 3369805335, 4043766402, 6739610670, 10109416005, 20218832010]

約数ペア:

[(1, 20218832010), (2, 10109416005), (3, 6739610670), (5, 4043766402), (6, 3369805335), (9, 2246536890), (10, 2021883201), (13, 1555294770), (15, 1347922134), (18, 1123268445), (26, 777647385), (27, 748845630), (30, 673961067), (39, 518431590), (45, 449307378), (54, 374422815), (65, 311058954), (78, 259215795), (81, 249615210), (90, 224653689), (117, 172810530), (130, 155529477), (135, 149769126), (162, 124807605), (195, 103686318), (234, 86405265), (243, 83205070), (270, 74884563), (351, 57603510), (390, 51843159), (405, 49923042), (486, 41602535), (585, 34562106), (702, 28801755), (810, 24961521), (1053, 19201170), (1170, 17281053), (1215, 16641014), (1755, 11520702), (2106, 9600585), (2430, 8320507), (3159, 6400390), (3510, 5760351), (5265, 3840234), (6318, 3200195), (10530, 1920117), (15795, 1280078), (31590, 640039)]