20679862

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2371}}^1$

素因数の和:2476

約数の個数: 24

約数和(自身を含む): 36505080

約数和(自身を除く): 15825218

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 623, 1246, 2371, 4361, 4742, 8722, 16597, 33194, 116179, 211019, 232358, 422038, 1477133, 2954266, 10339931, 20679862]

約数ペア:

[(1, 20679862), (2, 10339931), (7, 2954266), (14, 1477133), (49, 422038), (89, 232358), (98, 211019), (178, 116179), (623, 33194), (1246, 16597), (2371, 8722), (4361, 4742)]