20342638407

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1\times {\mathrm{2083}}^1$

素因数の和:2620

約数の個数: 64

約数和(自身を含む): 33879638016

約数和(自身を除く): 13536999609

約数列:

[1, 3, 7, 13, 21, 39, 83, 91, 249, 273, 431, 581, 1079, 1293, 1743, 2083, 3017, 3237, 5603, 6249, 7553, 9051, 14581, 16809, 22659, 27079, 35773, 39221, 43743, 81237, 107319, 117663, 172889, 189553, 250411, 465049, 518667, 568659, 751233, 897773, 1210223, 1395147, 2247557, 2693319, 3255343, 3630669, 6284411, 6742671, 9766029, 11671049, 15732899, 18853233, 35013147, 47198697, 74515159, 81697343, 223545477, 245092029, 521606113, 968697067, 1564818339, 2906091201, 6780879469, 20342638407]

約数ペア:

[(1, 20342638407), (3, 6780879469), (7, 2906091201), (13, 1564818339), (21, 968697067), (39, 521606113), (83, 245092029), (91, 223545477), (249, 81697343), (273, 74515159), (431, 47198697), (581, 35013147), (1079, 18853233), (1293, 15732899), (1743, 11671049), (2083, 9766029), (3017, 6742671), (3237, 6284411), (5603, 3630669), (6249, 3255343), (7553, 2693319), (9051, 2247557), (14581, 1395147), (16809, 1210223), (22659, 897773), (27079, 751233), (35773, 568659), (39221, 518667), (43743, 465049), (81237, 250411), (107319, 189553), (117663, 172889)]