20809836

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:983

約数の個数: 72

約数和(自身を含む): 57264480

約数和(自身を除く): 36454644

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 37, 51, 68, 74, 102, 111, 148, 153, 204, 222, 306, 333, 444, 612, 629, 666, 919, 1258, 1332, 1838, 1887, 2516, 2757, 3676, 3774, 5514, 5661, 7548, 8271, 11028, 11322, 15623, 16542, 22644, 31246, 33084, 34003, 46869, 62492, 68006, 93738, 102009, 136012, 140607, 187476, 204018, 281214, 306027, 408036, 562428, 578051, 612054, 1156102, 1224108, 1734153, 2312204, 3468306, 5202459, 6936612, 10404918, 20809836]

約数ペア:

[(1, 20809836), (2, 10404918), (3, 6936612), (4, 5202459), (6, 3468306), (9, 2312204), (12, 1734153), (17, 1224108), (18, 1156102), (34, 612054), (36, 578051), (37, 562428), (51, 408036), (68, 306027), (74, 281214), (102, 204018), (111, 187476), (148, 140607), (153, 136012), (204, 102009), (222, 93738), (306, 68006), (333, 62492), (444, 46869), (612, 34003), (629, 33084), (666, 31246), (919, 22644), (1258, 16542), (1332, 15623), (1838, 11322), (1887, 11028), (2516, 8271), (2757, 7548), (3676, 5661), (3774, 5514)]