20210176

素因数分解:

$2^9\times 7^1\times {\mathrm{5639}}^1$

素因数の和:5664

約数の個数: 40

約数和(自身を含む): 46157760

約数和(自身を除く): 25947584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5639, 11278, 22556, 39473, 45112, 78946, 90224, 157892, 180448, 315784, 360896, 631568, 721792, 1263136, 1443584, 2526272, 2887168, 5052544, 10105088, 20210176]

約数ペア:

[(1, 20210176), (2, 10105088), (4, 5052544), (7, 2887168), (8, 2526272), (14, 1443584), (16, 1263136), (28, 721792), (32, 631568), (56, 360896), (64, 315784), (112, 180448), (128, 157892), (224, 90224), (256, 78946), (448, 45112), (512, 39473), (896, 22556), (1792, 11278), (3584, 5639)]