20173847220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{436097}}^1$

素因数の和:436369

約数の個数: 72

約数和(自身を含む): 61432253064

約数和(自身を除く): 41258405844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 3084, 3855, 4626, 5140, 7710, 9252, 11565, 15420, 23130, 46260, 436097, 872194, 1308291, 1744388, 2180485, 2616582, 3924873, 4360970, 5233164, 6541455, 7849746, 8721940, 13082910, 15699492, 19624365, 26165820, 39248730, 78497460, 112076929, 224153858, 336230787, 448307716, 560384645, 672461574, 1008692361, 1120769290, 1344923148, 1681153935, 2017384722, 2241538580, 3362307870, 4034769444, 5043461805, 6724615740, 10086923610, 20173847220]

約数ペア:

[(1, 20173847220), (2, 10086923610), (3, 6724615740), (4, 5043461805), (5, 4034769444), (6, 3362307870), (9, 2241538580), (10, 2017384722), (12, 1681153935), (15, 1344923148), (18, 1120769290), (20, 1008692361), (30, 672461574), (36, 560384645), (45, 448307716), (60, 336230787), (90, 224153858), (180, 112076929), (257, 78497460), (514, 39248730), (771, 26165820), (1028, 19624365), (1285, 15699492), (1542, 13082910), (2313, 8721940), (2570, 7849746), (3084, 6541455), (3855, 5233164), (4626, 4360970), (5140, 3924873), (7710, 2616582), (9252, 2180485), (11565, 1744388), (15420, 1308291), (23130, 872194), (46260, 436097)]