20187569564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1\times {\mathrm{20047}}^1$

素因数の和:20378

約数の個数: 48

約数和(自身を含む): 38193845760

約数和(自身を除く): 18006276196

約数列:

[1, 2, 4, 17, 34, 59, 68, 118, 236, 251, 502, 1003, 1004, 2006, 4012, 4267, 8534, 14809, 17068, 20047, 29618, 40094, 59236, 80188, 251753, 340799, 503506, 681598, 1007012, 1182773, 1363196, 2365546, 4731092, 5031797, 10063594, 20107141, 20127188, 40214282, 80428564, 85540549, 171081098, 296876023, 342162196, 593752046, 1187504092, 5046892391, 10093784782, 20187569564]

約数ペア:

[(1, 20187569564), (2, 10093784782), (4, 5046892391), (17, 1187504092), (34, 593752046), (59, 342162196), (68, 296876023), (118, 171081098), (236, 85540549), (251, 80428564), (502, 40214282), (1003, 20127188), (1004, 20107141), (2006, 10063594), (4012, 5031797), (4267, 4731092), (8534, 2365546), (14809, 1363196), (17068, 1182773), (20047, 1007012), (29618, 681598), (40094, 503506), (59236, 340799), (80188, 251753)]