20182483984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{241973}}^1$

素因数の和:242395

約数の個数: 40

約数和(自身を含む): 42216719832

約数和(自身を除く): 22034235848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 401, 802, 1604, 3208, 5213, 6416, 10426, 20852, 41704, 83408, 241973, 483946, 967892, 1935784, 3145649, 3871568, 6291298, 12582596, 25165192, 50330384, 97031173, 194062346, 388124692, 776249384, 1261405249, 1552498768, 2522810498, 5045620996, 10091241992, 20182483984]

約数ペア:

[(1, 20182483984), (2, 10091241992), (4, 5045620996), (8, 2522810498), (13, 1552498768), (16, 1261405249), (26, 776249384), (52, 388124692), (104, 194062346), (208, 97031173), (401, 50330384), (802, 25165192), (1604, 12582596), (3208, 6291298), (5213, 3871568), (6416, 3145649), (10426, 1935784), (20852, 967892), (41704, 483946), (83408, 241973)]