20506952060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{214463}}^1$

素因数の和:215162

約数の個数: 48

約数和(自身を含む): 49288974336

約数和(自身を除く): 28782022276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 683, 1366, 2732, 3415, 4781, 6830, 9562, 13660, 19124, 23905, 47810, 95620, 214463, 428926, 857852, 1072315, 1501241, 2144630, 3002482, 4289260, 6004964, 7506205, 15012410, 30024820, 146478229, 292956458, 585912916, 732391145, 1025347603, 1464782290, 2050695206, 2929564580, 4101390412, 5126738015, 10253476030, 20506952060]

約数ペア:

[(1, 20506952060), (2, 10253476030), (4, 5126738015), (5, 4101390412), (7, 2929564580), (10, 2050695206), (14, 1464782290), (20, 1025347603), (28, 732391145), (35, 585912916), (70, 292956458), (140, 146478229), (683, 30024820), (1366, 15012410), (2732, 7506205), (3415, 6004964), (4781, 4289260), (6830, 3002482), (9562, 2144630), (13660, 1501241), (19124, 1072315), (23905, 857852), (47810, 428926), (95620, 214463)]