20778363650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1123}}^1\times {\mathrm{33641}}^1$

素因数の和:34787

約数の個数: 48

約数和(自身を含む): 42199986528

約数和(自身を除く): 21421622878

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 1123, 2246, 5615, 11230, 12353, 24706, 28075, 33641, 56150, 61765, 67282, 123530, 168205, 308825, 336410, 370051, 617650, 740102, 841025, 1682050, 1850255, 3700510, 9251275, 18502550, 37778843, 75557686, 188894215, 377788430, 415567273, 831134546, 944471075, 1888942150, 2077836365, 4155672730, 10389181825, 20778363650]

約数ペア:

[(1, 20778363650), (2, 10389181825), (5, 4155672730), (10, 2077836365), (11, 1888942150), (22, 944471075), (25, 831134546), (50, 415567273), (55, 377788430), (110, 188894215), (275, 75557686), (550, 37778843), (1123, 18502550), (2246, 9251275), (5615, 3700510), (11230, 1850255), (12353, 1682050), (24706, 841025), (28075, 740102), (33641, 617650), (56150, 370051), (61765, 336410), (67282, 308825), (123530, 168205)]