20384763

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 32428032

約数和(自身を除く): 12043269

約数列:

[1, 3, 7, 21, 31, 93, 173, 181, 217, 519, 543, 651, 1211, 1267, 3633, 3801, 5363, 5611, 16089, 16833, 31313, 37541, 39277, 93939, 112623, 117831, 219191, 657573, 970703, 2912109, 6794921, 20384763]

約数ペア:

[(1, 20384763), (3, 6794921), (7, 2912109), (21, 970703), (31, 657573), (93, 219191), (173, 117831), (181, 112623), (217, 93939), (519, 39277), (543, 37541), (651, 31313), (1211, 16833), (1267, 16089), (3633, 5611), (3801, 5363)]