20198207895

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{337}}^1\times {\mathrm{2161}}^1$

素因数の和:2592

約数の個数: 48

約数和(自身を含む): 33199706592

約数和(自身を除く): 13001498697

約数列:

[1, 3, 5, 15, 43, 129, 215, 337, 645, 1011, 1685, 1849, 2161, 5055, 5547, 6483, 9245, 10805, 14491, 27735, 32415, 43473, 72455, 92923, 217365, 278769, 464615, 623113, 728257, 1393845, 1869339, 2184771, 3115565, 3641285, 3995689, 9346695, 10923855, 11987067, 19978445, 31315051, 59935335, 93945153, 156575255, 469725765, 1346547193, 4039641579, 6732735965, 20198207895]

約数ペア:

[(1, 20198207895), (3, 6732735965), (5, 4039641579), (15, 1346547193), (43, 469725765), (129, 156575255), (215, 93945153), (337, 59935335), (645, 31315051), (1011, 19978445), (1685, 11987067), (1849, 10923855), (2161, 9346695), (5055, 3995689), (5547, 3641285), (6483, 3115565), (9245, 2184771), (10805, 1869339), (14491, 1393845), (27735, 728257), (32415, 623113), (43473, 464615), (72455, 278769), (92923, 217365)]