20964762

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12799}}^1$

素因数の和:12827

約数の個数: 48

約数和(自身を含む): 55910400

約数和(自身を除く): 34945638

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12799, 25598, 38397, 76794, 89593, 115191, 166387, 179186, 230382, 268779, 332774, 499161, 537558, 806337, 998322, 1164709, 1497483, 1612674, 2329418, 2994966, 3494127, 6988254, 10482381, 20964762]

約数ペア:

[(1, 20964762), (2, 10482381), (3, 6988254), (6, 3494127), (7, 2994966), (9, 2329418), (13, 1612674), (14, 1497483), (18, 1164709), (21, 998322), (26, 806337), (39, 537558), (42, 499161), (63, 332774), (78, 268779), (91, 230382), (117, 179186), (126, 166387), (182, 115191), (234, 89593), (273, 76794), (546, 38397), (819, 25598), (1638, 12799)]