20212295

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1553}}^1$

素因数の和:1714

約数の個数: 16

約数和(自身を含む): 25734240

約数和(自身を除く): 5521945

約数列:

[1, 5, 19, 95, 137, 685, 1553, 2603, 7765, 13015, 29507, 147535, 212761, 1063805, 4042459, 20212295]

約数ペア:

[(1, 20212295), (5, 4042459), (19, 1063805), (95, 212761), (137, 147535), (685, 29507), (1553, 13015), (2603, 7765)]