20820474

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{50291}}^1$

素因数の和:50322

約数の個数: 24

約数和(自身を含む): 47073312

約数和(自身を除く): 26252838

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 50291, 100582, 150873, 301746, 452619, 905238, 1156693, 2313386, 3470079, 6940158, 10410237, 20820474]

約数ペア:

[(1, 20820474), (2, 10410237), (3, 6940158), (6, 3470079), (9, 2313386), (18, 1156693), (23, 905238), (46, 452619), (69, 301746), (138, 150873), (207, 100582), (414, 50291)]