20488684

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{461}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 36945216

約数和(自身を除く): 16456532

約数列:

[1, 2, 4, 41, 82, 164, 271, 461, 542, 922, 1084, 1844, 11111, 18901, 22222, 37802, 44444, 75604, 124931, 249862, 499724, 5122171, 10244342, 20488684]

約数ペア:

[(1, 20488684), (2, 10244342), (4, 5122171), (41, 499724), (82, 249862), (164, 124931), (271, 75604), (461, 44444), (542, 37802), (922, 22222), (1084, 18901), (1844, 11111)]