20455722774

素因数分解:

$2^1\times 3^3\times {\mathrm{1381}}^1\times {\mathrm{274301}}^1$

素因数の和:275693

約数の個数: 32

約数和(自身を含む): 45490243680

約数和(自身を除く): 25034520906

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1381, 2762, 4143, 8286, 12429, 24858, 37287, 74574, 274301, 548602, 822903, 1645806, 2468709, 4937418, 7406127, 14812254, 378809681, 757619362, 1136429043, 2272858086, 3409287129, 6818574258, 10227861387, 20455722774]

約数ペア:

[(1, 20455722774), (2, 10227861387), (3, 6818574258), (6, 3409287129), (9, 2272858086), (18, 1136429043), (27, 757619362), (54, 378809681), (1381, 14812254), (2762, 7406127), (4143, 4937418), (8286, 2468709), (12429, 1645806), (24858, 822903), (37287, 548602), (74574, 274301)]