20010861

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1282

約数の個数: 32

約数和(自身を含む): 32632320

約数和(自身を除く): 12621459

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 423, 611, 1213, 1269, 1833, 3639, 5499, 10917, 15769, 16497, 32751, 47307, 57011, 141921, 171033, 425763, 513099, 741143, 1539297, 2223429, 6670287, 20010861]

約数ペア:

[(1, 20010861), (3, 6670287), (9, 2223429), (13, 1539297), (27, 741143), (39, 513099), (47, 425763), (117, 171033), (141, 141921), (351, 57011), (423, 47307), (611, 32751), (1213, 16497), (1269, 15769), (1833, 10917), (3639, 5499)]