20873996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36493}}^1$

素因数の和:36521

約数の個数: 24

約数和(自身を含む): 42916944

約数和(自身を除く): 22042948

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36493, 72986, 145972, 401423, 474409, 802846, 948818, 1605692, 1897636, 5218499, 10436998, 20873996]

約数ペア:

[(1, 20873996), (2, 10436998), (4, 5218499), (11, 1897636), (13, 1605692), (22, 948818), (26, 802846), (44, 474409), (52, 401423), (143, 145972), (286, 72986), (572, 36493)]