20178852486

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1\times {\mathrm{47269}}^1$

素因数の和:47721

約数の個数: 48

約数和(自身を含む): 43805676240

約数和(自身を除く): 23626823754

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 421, 507, 842, 1014, 1263, 2526, 5473, 10946, 16419, 32838, 47269, 71149, 94538, 141807, 142298, 213447, 283614, 426894, 614497, 1228994, 1843491, 3686982, 7988461, 15976922, 19900249, 23965383, 39800498, 47930766, 59700747, 119401494, 258703237, 517406474, 776109711, 1552219422, 3363142081, 6726284162, 10089426243, 20178852486]

約数ペア:

[(1, 20178852486), (2, 10089426243), (3, 6726284162), (6, 3363142081), (13, 1552219422), (26, 776109711), (39, 517406474), (78, 258703237), (169, 119401494), (338, 59700747), (421, 47930766), (507, 39800498), (842, 23965383), (1014, 19900249), (1263, 15976922), (2526, 7988461), (5473, 3686982), (10946, 1843491), (16419, 1228994), (32838, 614497), (47269, 426894), (71149, 283614), (94538, 213447), (141807, 142298)]