20362784

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1633

約数の個数: 48

約数和(自身を含む): 44593920

約数和(自身を除く): 24231136

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1579, 1612, 3158, 3224, 6316, 6448, 12632, 12896, 20527, 25264, 41054, 48949, 50528, 82108, 97898, 164216, 195796, 328432, 391592, 636337, 656864, 783184, 1272674, 1566368, 2545348, 5090696, 10181392, 20362784]

約数ペア:

[(1, 20362784), (2, 10181392), (4, 5090696), (8, 2545348), (13, 1566368), (16, 1272674), (26, 783184), (31, 656864), (32, 636337), (52, 391592), (62, 328432), (104, 195796), (124, 164216), (208, 97898), (248, 82108), (403, 50528), (416, 48949), (496, 41054), (806, 25264), (992, 20527), (1579, 12896), (1612, 12632), (3158, 6448), (3224, 6316)]