20128291228

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{421}}^1\times {\mathrm{1193}}^1$

素因数の和:1894

約数の個数: 48

約数和(自身を含む): 36314774496

約数和(自身を除く): 16186483268

約数列:

[1, 2, 4, 43, 86, 172, 233, 421, 466, 842, 932, 1193, 1684, 2386, 4772, 10019, 18103, 20038, 36206, 40076, 51299, 72412, 98093, 102598, 196186, 205196, 277969, 392372, 502253, 555938, 1004506, 1111876, 2009012, 4217999, 8435998, 11952667, 16871996, 21596879, 23905334, 43193758, 47810668, 86387516, 117024949, 234049898, 468099796, 5032072807, 10064145614, 20128291228]

約数ペア:

[(1, 20128291228), (2, 10064145614), (4, 5032072807), (43, 468099796), (86, 234049898), (172, 117024949), (233, 86387516), (421, 47810668), (466, 43193758), (842, 23905334), (932, 21596879), (1193, 16871996), (1684, 11952667), (2386, 8435998), (4772, 4217999), (10019, 2009012), (18103, 1111876), (20038, 1004506), (36206, 555938), (40076, 502253), (51299, 392372), (72412, 277969), (98093, 205196), (102598, 196186)]