20286718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 34020000

約数和(自身を除く): 13733282

約数列:

[1, 2, 19, 29, 38, 41, 58, 82, 449, 551, 779, 898, 1102, 1189, 1558, 2378, 8531, 13021, 17062, 18409, 22591, 26042, 36818, 45182, 247399, 349771, 494798, 533861, 699542, 1067722, 10143359, 20286718]

約数ペア:

[(1, 20286718), (2, 10143359), (19, 1067722), (29, 699542), (38, 533861), (41, 494798), (58, 349771), (82, 247399), (449, 45182), (551, 36818), (779, 26042), (898, 22591), (1102, 18409), (1189, 17062), (1558, 13021), (2378, 8531)]