20889694

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{401}}^1$

素因数の和:532

約数の個数: 24

約数和(自身を含む): 36498384

約数和(自身を除く): 15608690

約数列:

[1, 2, 7, 14, 61, 122, 401, 427, 802, 854, 2807, 3721, 5614, 7442, 24461, 26047, 48922, 52094, 171227, 342454, 1492121, 2984242, 10444847, 20889694]

約数ペア:

[(1, 20889694), (2, 10444847), (7, 2984242), (14, 1492121), (61, 342454), (122, 171227), (401, 52094), (427, 48922), (802, 26047), (854, 24461), (2807, 7442), (3721, 5614)]