20923078

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2789}}^1$

素因数の和:2844

約数の個数: 24

約数和(自身を含む): 35622720

約数和(自身を除く): 14699642

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 2789, 3751, 5578, 7502, 30679, 61358, 86459, 172918, 337469, 674938, 951049, 1902098, 10461539, 20923078]

約数ペア:

[(1, 20923078), (2, 10461539), (11, 1902098), (22, 951049), (31, 674938), (62, 337469), (121, 172918), (242, 86459), (341, 61358), (682, 30679), (2789, 7502), (3751, 5578)]