20394738

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12451}}^1$

素因数の和:12479

約数の個数: 48

約数和(自身を含む): 54390336

約数和(自身を除く): 33995598

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12451, 24902, 37353, 74706, 87157, 112059, 161863, 174314, 224118, 261471, 323726, 485589, 522942, 784413, 971178, 1133041, 1456767, 1568826, 2266082, 2913534, 3399123, 6798246, 10197369, 20394738]

約数ペア:

[(1, 20394738), (2, 10197369), (3, 6798246), (6, 3399123), (7, 2913534), (9, 2266082), (13, 1568826), (14, 1456767), (18, 1133041), (21, 971178), (26, 784413), (39, 522942), (42, 485589), (63, 323726), (78, 261471), (91, 224118), (117, 174314), (126, 161863), (182, 112059), (234, 87157), (273, 74706), (546, 37353), (819, 24902), (1638, 12451)]