20776735

素因数分解:

$5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 29261520

約数和(自身を除く): 8484785

約数列:

[1, 5, 7, 35, 49, 137, 245, 619, 685, 959, 3095, 4333, 4795, 6713, 21665, 30331, 33565, 84803, 151655, 424015, 593621, 2968105, 4155347, 20776735]

約数ペア:

[(1, 20776735), (5, 4155347), (7, 2968105), (35, 593621), (49, 424015), (137, 151655), (245, 84803), (619, 33565), (685, 30331), (959, 21665), (3095, 6713), (4333, 4795)]