20565902442

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{320431}}^1$

素因数の和:321018

約数の個数: 32

約数和(自身を含む): 43373675520

約数和(自身を除く): 22807773078

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 563, 1126, 1689, 3378, 10697, 21394, 32091, 64182, 320431, 640862, 961293, 1922586, 6088189, 12176378, 18264567, 36529134, 180402653, 360805306, 541207959, 1082415918, 3427650407, 6855300814, 10282951221, 20565902442]

約数ペア:

[(1, 20565902442), (2, 10282951221), (3, 6855300814), (6, 3427650407), (19, 1082415918), (38, 541207959), (57, 360805306), (114, 180402653), (563, 36529134), (1126, 18264567), (1689, 12176378), (3378, 6088189), (10697, 1922586), (21394, 961293), (32091, 640862), (64182, 320431)]