16420020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1297}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 46229568

約数和(自身を除く): 29809548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 1297, 2110, 2532, 2594, 3165, 3891, 4220, 5188, 6330, 6485, 7782, 12660, 12970, 15564, 19455, 25940, 38910, 77820, 273667, 547334, 821001, 1094668, 1368335, 1642002, 2736670, 3284004, 4105005, 5473340, 8210010, 16420020]

約数ペア:

[(1, 16420020), (2, 8210010), (3, 5473340), (4, 4105005), (5, 3284004), (6, 2736670), (10, 1642002), (12, 1368335), (15, 1094668), (20, 821001), (30, 547334), (60, 273667), (211, 77820), (422, 38910), (633, 25940), (844, 19455), (1055, 15564), (1266, 12970), (1297, 12660), (2110, 7782), (2532, 6485), (2594, 6330), (3165, 5188), (3891, 4220)]