20178316

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{883}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 36756720

約数和(自身を除く): 16578404

約数列:

[1, 2, 4, 29, 58, 116, 197, 394, 788, 883, 1766, 3532, 5713, 11426, 22852, 25607, 51214, 102428, 173951, 347902, 695804, 5044579, 10089158, 20178316]

約数ペア:

[(1, 20178316), (2, 10089158), (4, 5044579), (29, 695804), (58, 347902), (116, 173951), (197, 102428), (394, 51214), (788, 25607), (883, 22852), (1766, 11426), (3532, 5713)]