20713590980

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{709}}^1\times {\mathrm{2237}}^1$

素因数の和:3608

約数の個数: 48

約数和(自身を含む): 43646102640

約数和(自身を除く): 22932511660

約数列:

[1, 2, 4, 5, 10, 20, 653, 709, 1306, 1418, 2237, 2612, 2836, 3265, 3545, 4474, 6530, 7090, 8948, 11185, 13060, 14180, 22370, 44740, 462977, 925954, 1460761, 1586033, 1851908, 2314885, 2921522, 3172066, 4629770, 5843044, 6344132, 7303805, 7930165, 9259540, 14607610, 15860330, 29215220, 31720660, 1035679549, 2071359098, 4142718196, 5178397745, 10356795490, 20713590980]

約数ペア:

[(1, 20713590980), (2, 10356795490), (4, 5178397745), (5, 4142718196), (10, 2071359098), (20, 1035679549), (653, 31720660), (709, 29215220), (1306, 15860330), (1418, 14607610), (2237, 9259540), (2612, 7930165), (2836, 7303805), (3265, 6344132), (3545, 5843044), (4474, 4629770), (6530, 3172066), (7090, 2921522), (8948, 2314885), (11185, 1851908), (13060, 1586033), (14180, 1460761), (22370, 925954), (44740, 462977)]