20145268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{859}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 42477120

約数和(自身を除く): 22331852

約数列:

[1, 2, 4, 11, 13, 22, 26, 41, 44, 52, 82, 143, 164, 286, 451, 533, 572, 859, 902, 1066, 1718, 1804, 2132, 3436, 5863, 9449, 11167, 11726, 18898, 22334, 23452, 35219, 37796, 44668, 70438, 122837, 140876, 245674, 387409, 457847, 491348, 774818, 915694, 1549636, 1831388, 5036317, 10072634, 20145268]

約数ペア:

[(1, 20145268), (2, 10072634), (4, 5036317), (11, 1831388), (13, 1549636), (22, 915694), (26, 774818), (41, 491348), (44, 457847), (52, 387409), (82, 245674), (143, 140876), (164, 122837), (286, 70438), (451, 44668), (533, 37796), (572, 35219), (859, 23452), (902, 22334), (1066, 18898), (1718, 11726), (1804, 11167), (2132, 9449), (3436, 5863)]