20101810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 38332800

約数和(自身を除く): 18230990

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 241, 439, 482, 878, 1205, 2195, 2410, 4390, 4579, 8341, 9158, 16682, 22895, 41705, 45790, 83410, 105799, 211598, 528995, 1057990, 2010181, 4020362, 10050905, 20101810]

約数ペア:

[(1, 20101810), (2, 10050905), (5, 4020362), (10, 2010181), (19, 1057990), (38, 528995), (95, 211598), (190, 105799), (241, 83410), (439, 45790), (482, 41705), (878, 22895), (1205, 16682), (2195, 9158), (2410, 8341), (4390, 4579)]