20673807

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2887}}^1$

素因数の和:2939

約数の個数: 32

約数和(自身を含む): 35487744

約数和(自身を除く): 14813937

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 2887, 7161, 8661, 20209, 31757, 60627, 89497, 95271, 222299, 268491, 626479, 666897, 984467, 1879437, 2953401, 6891269, 20673807]

約数ペア:

[(1, 20673807), (3, 6891269), (7, 2953401), (11, 1879437), (21, 984467), (31, 666897), (33, 626479), (77, 268491), (93, 222299), (217, 95271), (231, 89497), (341, 60627), (651, 31757), (1023, 20209), (2387, 8661), (2887, 7161)]