20236775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{877}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 27435744

約数和(自身を除く): 7198969

約数列:

[1, 5, 13, 25, 65, 71, 325, 355, 877, 923, 1775, 4385, 4615, 11401, 21925, 23075, 57005, 62267, 285025, 311335, 809471, 1556675, 4047355, 20236775]

約数ペア:

[(1, 20236775), (5, 4047355), (13, 1556675), (25, 809471), (65, 311335), (71, 285025), (325, 62267), (355, 57005), (877, 23075), (923, 21925), (1775, 11401), (4385, 4615)]