207823780

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{15913}}^1$

素因数の和:16575

約数の個数: 24

約数和(自身を含む): 437125752

約数和(自身を除く): 229301972

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 6530, 13060, 15913, 31826, 63652, 79565, 159130, 318260, 10391189, 20782378, 41564756, 51955945, 103911890, 207823780]

約数ペア:

[(1, 207823780), (2, 103911890), (4, 51955945), (5, 41564756), (10, 20782378), (20, 10391189), (653, 318260), (1306, 159130), (2612, 79565), (3265, 63652), (6530, 31826), (13060, 15913)]