20809344

素因数分解:

$2^7\times 3^1\times {\mathrm{47}}^1\times {\mathrm{1153}}^1$

素因数の和:1217

約数の個数: 64

約数和(自身を含む): 56499840

約数和(自身を除く): 35690496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 128, 141, 188, 192, 282, 376, 384, 564, 752, 1128, 1153, 1504, 2256, 2306, 3008, 3459, 4512, 4612, 6016, 6918, 9024, 9224, 13836, 18048, 18448, 27672, 36896, 54191, 55344, 73792, 108382, 110688, 147584, 162573, 216764, 221376, 325146, 433528, 442752, 650292, 867056, 1300584, 1734112, 2601168, 3468224, 5202336, 6936448, 10404672, 20809344]

約数ペア:

[(1, 20809344), (2, 10404672), (3, 6936448), (4, 5202336), (6, 3468224), (8, 2601168), (12, 1734112), (16, 1300584), (24, 867056), (32, 650292), (47, 442752), (48, 433528), (64, 325146), (94, 221376), (96, 216764), (128, 162573), (141, 147584), (188, 110688), (192, 108382), (282, 73792), (376, 55344), (384, 54191), (564, 36896), (752, 27672), (1128, 18448), (1153, 18048), (1504, 13836), (2256, 9224), (2306, 9024), (3008, 6918), (3459, 6016), (4512, 4612)]