20123562800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4573537}}^1$

素因数の和:4573566

約数の個数: 60

約数和(自身を含む): 52742040216

約数和(自身を除く): 32618477416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4573537, 9147074, 18294148, 22867685, 36588296, 45735370, 50308907, 73176592, 91470740, 100617814, 114338425, 182941480, 201235628, 228676850, 251544535, 365882960, 402471256, 457353700, 503089070, 804942512, 914707400, 1006178140, 1257722675, 1829414800, 2012356280, 2515445350, 4024712560, 5030890700, 10061781400, 20123562800]

約数ペア:

[(1, 20123562800), (2, 10061781400), (4, 5030890700), (5, 4024712560), (8, 2515445350), (10, 2012356280), (11, 1829414800), (16, 1257722675), (20, 1006178140), (22, 914707400), (25, 804942512), (40, 503089070), (44, 457353700), (50, 402471256), (55, 365882960), (80, 251544535), (88, 228676850), (100, 201235628), (110, 182941480), (176, 114338425), (200, 100617814), (220, 91470740), (275, 73176592), (400, 50308907), (440, 45735370), (550, 36588296), (880, 22867685), (1100, 18294148), (2200, 9147074), (4400, 4573537)]