20178507935

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{839}}^1\times {\mathrm{2917}}^1$

素因数の和:3875

約数の個数: 32

約数和(自身を含む): 25942654080

約数和(自身を除く): 5764146145

約数列:

[1, 5, 17, 85, 97, 485, 839, 1649, 2917, 4195, 8245, 14263, 14585, 49589, 71315, 81383, 247945, 282949, 406915, 1383511, 1414745, 2447363, 4810133, 6917555, 12236815, 24050665, 41605171, 208025855, 237394211, 1186971055, 4035701587, 20178507935]

約数ペア:

[(1, 20178507935), (5, 4035701587), (17, 1186971055), (85, 237394211), (97, 208025855), (485, 41605171), (839, 24050665), (1649, 12236815), (2917, 6917555), (4195, 4810133), (8245, 2447363), (14263, 1414745), (14585, 1383511), (49589, 406915), (71315, 282949), (81383, 247945)]