20973267

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10739}}^1$

素因数の和:10783

約数の個数: 24

約数和(自身を含む): 35742720

約数和(自身を除く): 14769453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10739, 32217, 75173, 96651, 225519, 332909, 676557, 998727, 2330363, 2996181, 6991089, 20973267]

約数ペア:

[(1, 20973267), (3, 6991089), (7, 2996181), (9, 2330363), (21, 998727), (31, 676557), (63, 332909), (93, 225519), (217, 96651), (279, 75173), (651, 32217), (1953, 10739)]