20131205

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{347}}^1$

素因数の和:676

約数の個数: 16

約数和(自身を含む): 24905664

約数和(自身を除く): 4774459

約数列:

[1, 5, 41, 205, 283, 347, 1415, 1735, 11603, 14227, 58015, 71135, 98201, 491005, 4026241, 20131205]

約数ペア:

[(1, 20131205), (5, 4026241), (41, 491005), (205, 98201), (283, 71135), (347, 58015), (1415, 14227), (1735, 11603)]