20176491856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2140969}}^1$

素因数の和:2141027

約数の個数: 40

約数和(自身を含む): 42476844800

約数和(自身を除く): 22300352944

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 2140969, 4281938, 8563876, 17127752, 34255504, 40678411, 66370039, 81356822, 132740078, 162713644, 265480156, 325427288, 530960312, 650854576, 1061920624, 1261030741, 2522061482, 5044122964, 10088245928, 20176491856]

約数ペア:

[(1, 20176491856), (2, 10088245928), (4, 5044122964), (8, 2522061482), (16, 1261030741), (19, 1061920624), (31, 650854576), (38, 530960312), (62, 325427288), (76, 265480156), (124, 162713644), (152, 132740078), (248, 81356822), (304, 66370039), (496, 40678411), (589, 34255504), (1178, 17127752), (2356, 8563876), (4712, 4281938), (9424, 2140969)]