20171246564

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2063}}^1\times {\mathrm{18379}}^1$

素因数の和:20472

約数の個数: 48

約数和(自身を含む): 42488678400

約数和(自身を除く): 22317431836

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 2063, 4126, 8252, 14441, 18379, 28882, 36758, 39197, 57764, 73516, 78394, 128653, 156788, 257306, 274379, 349201, 514612, 548758, 698402, 1097516, 1396804, 2444407, 4888814, 9777628, 37915877, 75831754, 151663508, 265411139, 530822278, 720401663, 1061644556, 1440803326, 2881606652, 5042811641, 10085623282, 20171246564]

約数ペア:

[(1, 20171246564), (2, 10085623282), (4, 5042811641), (7, 2881606652), (14, 1440803326), (19, 1061644556), (28, 720401663), (38, 530822278), (76, 265411139), (133, 151663508), (266, 75831754), (532, 37915877), (2063, 9777628), (4126, 4888814), (8252, 2444407), (14441, 1396804), (18379, 1097516), (28882, 698402), (36758, 548758), (39197, 514612), (57764, 349201), (73516, 274379), (78394, 257306), (128653, 156788)]