20153969475

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{71411}}^1$

素因数の和:71548

約数の個数: 48

約数和(自身を含む): 34428582144

約数和(自身を除く): 14274612669

約数列:

[1, 3, 5, 15, 25, 53, 71, 75, 159, 213, 265, 355, 795, 1065, 1325, 1775, 3763, 3975, 5325, 11289, 18815, 56445, 71411, 94075, 214233, 282225, 357055, 1071165, 1785275, 3784783, 5070181, 5355825, 11354349, 15210543, 18923915, 25350905, 56771745, 76052715, 94619575, 126754525, 268719593, 283858725, 380263575, 806158779, 1343597965, 4030793895, 6717989825, 20153969475]

約数ペア:

[(1, 20153969475), (3, 6717989825), (5, 4030793895), (15, 1343597965), (25, 806158779), (53, 380263575), (71, 283858725), (75, 268719593), (159, 126754525), (213, 94619575), (265, 76052715), (355, 56771745), (795, 25350905), (1065, 18923915), (1325, 15210543), (1775, 11354349), (3763, 5355825), (3975, 5070181), (5325, 3784783), (11289, 1785275), (18815, 1071165), (56445, 357055), (71411, 282225), (94075, 214233)]