20145209967

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{541}}^1\times {\mathrm{947}}^1$

素因数の和:1768

約数の個数: 48

約数和(自身を含む): 31020099552

約数和(自身を除く): 10874889585

約数列:

[1, 3, 9, 17, 51, 153, 257, 541, 771, 947, 1623, 2313, 2841, 4369, 4869, 8523, 9197, 13107, 16099, 27591, 39321, 48297, 82773, 139037, 144891, 243379, 417111, 512327, 730137, 1251333, 1536981, 2190411, 2363629, 4137443, 4610943, 7090887, 8709559, 12412329, 21272661, 26128677, 37236987, 78386031, 131668039, 395004117, 1185012351, 2238356663, 6715069989, 20145209967]

約数ペア:

[(1, 20145209967), (3, 6715069989), (9, 2238356663), (17, 1185012351), (51, 395004117), (153, 131668039), (257, 78386031), (541, 37236987), (771, 26128677), (947, 21272661), (1623, 12412329), (2313, 8709559), (2841, 7090887), (4369, 4610943), (4869, 4137443), (8523, 2363629), (9197, 2190411), (13107, 1536981), (16099, 1251333), (27591, 730137), (39321, 512327), (48297, 417111), (82773, 243379), (139037, 144891)]