20805957638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{19963}}^1\times {\mathrm{27427}}^1$

素因数の和:47411

約数の個数: 16

約数和(自身を含む): 32854355520

約数和(自身を除く): 12048397882

約数列:

[1, 2, 19, 38, 19963, 27427, 39926, 54854, 379297, 521113, 758594, 1042226, 547525201, 1095050402, 10402978819, 20805957638]

約数ペア:

[(1, 20805957638), (2, 10402978819), (19, 1095050402), (38, 547525201), (19963, 1042226), (27427, 758594), (39926, 521113), (54854, 379297)]