20205087

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{757}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 32600064

約数和(自身を除く): 12394977

約数列:

[1, 3, 7, 21, 31, 41, 93, 123, 217, 287, 651, 757, 861, 1271, 2271, 3813, 5299, 8897, 15897, 23467, 26691, 31037, 70401, 93111, 164269, 217259, 492807, 651777, 962147, 2886441, 6735029, 20205087]

約数ペア:

[(1, 20205087), (3, 6735029), (7, 2886441), (21, 962147), (31, 651777), (41, 492807), (93, 217259), (123, 164269), (217, 93111), (287, 70401), (651, 31037), (757, 26691), (861, 23467), (1271, 15897), (2271, 8897), (3813, 5299)]