27203980

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{2083}}^1$

素因数の和:2745

約数の個数: 24

約数和(自身を含む): 57243312

約数和(自身を除く): 30039332

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2083, 2612, 3265, 4166, 6530, 8332, 10415, 13060, 20830, 41660, 1360199, 2720398, 5440796, 6800995, 13601990, 27203980]

約数ペア:

[(1, 27203980), (2, 13601990), (4, 6800995), (5, 5440796), (10, 2720398), (20, 1360199), (653, 41660), (1306, 20830), (2083, 13060), (2612, 10415), (3265, 8332), (4166, 6530)]