20120221203

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{2327921}}^1$

素因数の和:2328034

約数の個数: 16

約数和(自身を含む): 27860570496

約数和(自身を除く): 7740349293

約数列:

[1, 3, 43, 67, 129, 201, 2881, 8643, 2327921, 6983763, 100100603, 155970707, 300301809, 467912121, 6706740401, 20120221203]

約数ペア:

[(1, 20120221203), (3, 6706740401), (43, 467912121), (67, 300301809), (129, 155970707), (201, 100100603), (2881, 6983763), (8643, 2327921)]