20409540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5077}}^1$

素因数の和:5156

約数の個数: 48

約数和(自身を含む): 58011072

約数和(自身を除く): 37601532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 5077, 10154, 15231, 20308, 25385, 30462, 50770, 60924, 76155, 101540, 152310, 304620, 340159, 680318, 1020477, 1360636, 1700795, 2040954, 3401590, 4081908, 5102385, 6803180, 10204770, 20409540]

約数ペア:

[(1, 20409540), (2, 10204770), (3, 6803180), (4, 5102385), (5, 4081908), (6, 3401590), (10, 2040954), (12, 1700795), (15, 1360636), (20, 1020477), (30, 680318), (60, 340159), (67, 304620), (134, 152310), (201, 101540), (268, 76155), (335, 60924), (402, 50770), (670, 30462), (804, 25385), (1005, 20308), (1340, 15231), (2010, 10154), (4020, 5077)]