20634910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1229}}^1$

素因数の和:1332

約数の個数: 32

約数和(自身を含む): 39320640

約数和(自身を除く): 18685730

約数列:

[1, 2, 5, 10, 23, 46, 73, 115, 146, 230, 365, 730, 1229, 1679, 2458, 3358, 6145, 8395, 12290, 16790, 28267, 56534, 89717, 141335, 179434, 282670, 448585, 897170, 2063491, 4126982, 10317455, 20634910]

約数ペア:

[(1, 20634910), (2, 10317455), (5, 4126982), (10, 2063491), (23, 897170), (46, 448585), (73, 282670), (115, 179434), (146, 141335), (230, 89717), (365, 56534), (730, 28267), (1229, 16790), (1679, 12290), (2458, 8395), (3358, 6145)]