20606964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245321}}^1$

素因数の和:245335

約数の個数: 24

約数和(自身を含む): 54952128

約数和(自身を除く): 34345164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245321, 490642, 735963, 981284, 1471926, 1717247, 2943852, 3434494, 5151741, 6868988, 10303482, 20606964]

約数ペア:

[(1, 20606964), (2, 10303482), (3, 6868988), (4, 5151741), (6, 3434494), (7, 2943852), (12, 1717247), (14, 1471926), (21, 981284), (28, 735963), (42, 490642), (84, 245321)]