20976424

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4513}}^1$

素因数の和:4609

約数の個数: 32

約数和(自身を含む): 45501120

約数和(自身を除く): 24524696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4513, 4648, 9026, 18052, 31591, 36104, 63182, 126364, 252728, 374579, 749158, 1498316, 2622053, 2996632, 5244106, 10488212, 20976424]

約数ペア:

[(1, 20976424), (2, 10488212), (4, 5244106), (7, 2996632), (8, 2622053), (14, 1498316), (28, 749158), (56, 374579), (83, 252728), (166, 126364), (332, 63182), (581, 36104), (664, 31591), (1162, 18052), (2324, 9026), (4513, 4648)]