23791220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19501}}^1$

素因数の和:19571

約数の個数: 24

約数和(自身を含む): 50783208

約数和(自身を除く): 26991988

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 19501, 39002, 78004, 97505, 195010, 390020, 1189561, 2379122, 4758244, 5947805, 11895610, 23791220]

約数ペア:

[(1, 23791220), (2, 11895610), (4, 5947805), (5, 4758244), (10, 2379122), (20, 1189561), (61, 390020), (122, 195010), (244, 97505), (305, 78004), (610, 39002), (1220, 19501)]