20897501759

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1\times {\mathrm{971}}^1$

素因数の和:1547

約数の個数: 32

約数和(自身を含む): 22860693504

約数和(自身を除く): 1963191745

約数列:

[1, 23, 43, 47, 463, 971, 989, 1081, 2021, 10649, 19909, 21761, 22333, 41753, 45637, 46483, 449573, 457907, 500503, 935723, 960319, 1049651, 1962391, 10340179, 19331639, 21129931, 21521629, 45134993, 444627697, 485988413, 908587033, 20897501759]

約数ペア:

[(1, 20897501759), (23, 908587033), (43, 485988413), (47, 444627697), (463, 45134993), (971, 21521629), (989, 21129931), (1081, 19331639), (2021, 10340179), (10649, 1962391), (19909, 1049651), (21761, 960319), (22333, 935723), (41753, 500503), (45637, 457907), (46483, 449573)]