2021333180

素因数分解:

$2^2\times 5^1\times {\mathrm{4261}}^1\times {\mathrm{23719}}^1$

素因数の和:27989

約数の個数: 24

約数和(自身を含む): 4245974880

約数和(自身を除く): 2224641700

約数列:

[1, 2, 4, 5, 10, 20, 4261, 8522, 17044, 21305, 23719, 42610, 47438, 85220, 94876, 118595, 237190, 474380, 101066659, 202133318, 404266636, 505333295, 1010666590, 2021333180]

約数ペア:

[(1, 2021333180), (2, 1010666590), (4, 505333295), (5, 404266636), (10, 202133318), (20, 101066659), (4261, 474380), (8522, 237190), (17044, 118595), (21305, 94876), (23719, 85220), (42610, 47438)]