20802626

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 15122494

約数列:

[1, 2, 13, 23, 26, 43, 46, 86, 299, 559, 598, 809, 989, 1118, 1618, 1978, 10517, 12857, 18607, 21034, 25714, 34787, 37214, 69574, 241891, 452231, 483782, 800101, 904462, 1600202, 10401313, 20802626]

約数ペア:

[(1, 20802626), (2, 10401313), (13, 1600202), (23, 904462), (26, 800101), (43, 483782), (46, 452231), (86, 241891), (299, 69574), (559, 37214), (598, 34787), (809, 25714), (989, 21034), (1118, 18607), (1618, 12857), (1978, 10517)]