20131565020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1132259}}^1$

素因数の和:1132402

約数の個数: 48

約数和(自身を含む): 48696238080

約数和(自身を除く): 28564673060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 17780, 1132259, 2264518, 4529036, 5661295, 7925813, 11322590, 15851626, 22645180, 31703252, 39629065, 79258130, 143796893, 158516260, 287593786, 575187572, 718984465, 1006578251, 1437968930, 2013156502, 2875937860, 4026313004, 5032891255, 10065782510, 20131565020]

約数ペア:

[(1, 20131565020), (2, 10065782510), (4, 5032891255), (5, 4026313004), (7, 2875937860), (10, 2013156502), (14, 1437968930), (20, 1006578251), (28, 718984465), (35, 575187572), (70, 287593786), (127, 158516260), (140, 143796893), (254, 79258130), (508, 39629065), (635, 31703252), (889, 22645180), (1270, 15851626), (1778, 11322590), (2540, 7925813), (3556, 5661295), (4445, 4529036), (8890, 2264518), (17780, 1132259)]