20408873175

素因数分解:

$3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{692413}}^1$

素因数の和:692560

約数の個数: 36

約数和(自身を含む): 36833655144

約数和(自身を除く): 16424781969

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 131, 225, 393, 655, 1179, 1965, 3275, 5895, 9825, 29475, 692413, 2077239, 3462065, 6231717, 10386195, 17310325, 31158585, 51930975, 90706103, 155792925, 272118309, 453530515, 816354927, 1360591545, 2267652575, 4081774635, 6802957725, 20408873175]

約数ペア:

[(1, 20408873175), (3, 6802957725), (5, 4081774635), (9, 2267652575), (15, 1360591545), (25, 816354927), (45, 453530515), (75, 272118309), (131, 155792925), (225, 90706103), (393, 51930975), (655, 31158585), (1179, 17310325), (1965, 10386195), (3275, 6231717), (5895, 3462065), (9825, 2077239), (29475, 692413)]