20184424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{461}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 40942440

約数和(自身を除く): 20758016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 421, 461, 842, 922, 1684, 1844, 3368, 3688, 5473, 5993, 10946, 11986, 21892, 23972, 43784, 47944, 194081, 388162, 776324, 1552648, 2523053, 5046106, 10092212, 20184424]

約数ペア:

[(1, 20184424), (2, 10092212), (4, 5046106), (8, 2523053), (13, 1552648), (26, 776324), (52, 388162), (104, 194081), (421, 47944), (461, 43784), (842, 23972), (922, 21892), (1684, 11986), (1844, 10946), (3368, 5993), (3688, 5473)]