20569068

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43951}}^1$

素因数の和:43974

約数の個数: 36

約数和(自身を含む): 55994848

約数和(自身を除く): 35425780

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43951, 87902, 131853, 175804, 263706, 395559, 527412, 571363, 791118, 1142726, 1582236, 1714089, 2285452, 3428178, 5142267, 6856356, 10284534, 20569068]

約数ペア:

[(1, 20569068), (2, 10284534), (3, 6856356), (4, 5142267), (6, 3428178), (9, 2285452), (12, 1714089), (13, 1582236), (18, 1142726), (26, 791118), (36, 571363), (39, 527412), (52, 395559), (78, 263706), (117, 175804), (156, 131853), (234, 87902), (468, 43951)]