20274650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 41568768

約数和(自身を除く): 21294118

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 191, 193, 275, 382, 386, 550, 955, 965, 1910, 1930, 2101, 2123, 4202, 4246, 4775, 4825, 9550, 9650, 10505, 10615, 21010, 21230, 36863, 52525, 53075, 73726, 105050, 106150, 184315, 368630, 405493, 810986, 921575, 1843150, 2027465, 4054930, 10137325, 20274650]

約数ペア:

[(1, 20274650), (2, 10137325), (5, 4054930), (10, 2027465), (11, 1843150), (22, 921575), (25, 810986), (50, 405493), (55, 368630), (110, 184315), (191, 106150), (193, 105050), (275, 73726), (382, 53075), (386, 52525), (550, 36863), (955, 21230), (965, 21010), (1910, 10615), (1930, 10505), (2101, 9650), (2123, 9550), (4202, 4825), (4246, 4775)]