2020966420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{10949}}^1$

素因数の和:11808

約数の個数: 48

約数和(自身を含む): 4635792000

約数和(自身を除く): 2614825580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 839, 1678, 3356, 4195, 8390, 9229, 10949, 16780, 18458, 21898, 36916, 43796, 46145, 54745, 92290, 109490, 120439, 184580, 218980, 240878, 481756, 602195, 1204390, 2408780, 9186211, 18372422, 36744844, 45931055, 91862110, 101048321, 183724220, 202096642, 404193284, 505241605, 1010483210, 2020966420]

約数ペア:

[(1, 2020966420), (2, 1010483210), (4, 505241605), (5, 404193284), (10, 202096642), (11, 183724220), (20, 101048321), (22, 91862110), (44, 45931055), (55, 36744844), (110, 18372422), (220, 9186211), (839, 2408780), (1678, 1204390), (3356, 602195), (4195, 481756), (8390, 240878), (9229, 218980), (10949, 184580), (16780, 120439), (18458, 109490), (21898, 92290), (36916, 54745), (43796, 46145)]