20102103

素因数分解:

$3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:676

約数の個数: 36

約数和(自身を含む): 34263840

約数和(自身を除く): 14161737

約数列:

[1, 3, 7, 9, 21, 49, 63, 79, 147, 237, 441, 553, 577, 711, 1659, 1731, 3871, 4039, 4977, 5193, 11613, 12117, 28273, 34839, 36351, 45583, 84819, 136749, 254457, 319081, 410247, 957243, 2233567, 2871729, 6700701, 20102103]

約数ペア:

[(1, 20102103), (3, 6700701), (7, 2871729), (9, 2233567), (21, 957243), (49, 410247), (63, 319081), (79, 254457), (147, 136749), (237, 84819), (441, 45583), (553, 36351), (577, 34839), (711, 28273), (1659, 12117), (1731, 11613), (3871, 5193), (4039, 4977)]